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3454857557 is a prime number
BaseRepresentation
bin1100110111101100…
…1111000101010101
322220202220221121022
43031323033011111
524033420420212
61330453330525
7151420543004
oct31573170525
98822827538
103454857557
1115131a4688
12805036a45
134309c2218
1424abaac3b
15153491772
hexcdecf155

3454857557 has 2 divisors, whose sum is σ = 3454857558. Its totient is φ = 3454857556.

The previous prime is 3454857541. The next prime is 3454857559. The reversal of 3454857557 is 7557584543.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3325944241 + 128913316 = 57671^2 + 11354^2 .

It is an emirp because it is prime and its reverse (7557584543) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3454857557 - 24 = 3454857541 is a prime.

Together with 3454857559, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 3454857499 and 3454857508.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3454857559) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1727428778 + 1727428779.

It is an arithmetic number, because the mean of its divisors is an integer number (1727428779).

Almost surely, 23454857557 is an apocalyptic number.

It is an amenable number.

3454857557 is a deficient number, since it is larger than the sum of its proper divisors (1).

3454857557 is an equidigital number, since it uses as much as digits as its factorization.

3454857557 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11760000, while the sum is 53.

The square root of 3454857557 is about 58778.0363486226. The cubic root of 3454857557 is about 1511.7386456819.

The spelling of 3454857557 in words is "three billion, four hundred fifty-four million, eight hundred fifty-seven thousand, five hundred fifty-seven".