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557869130909 is a prime number
BaseRepresentation
bin10000001111000111001…
…01110110010010011101
31222022221212012011010022
420013203211312102131
533120003444142114
61104140451321525
755206342241616
oct10074345662235
91868855164108
10557869130909
111a5655643022
12901512b02a5
13407b729c67c
141d002ab2c0d
15e7a127248e
hex81e397649d

557869130909 has 2 divisors, whose sum is σ = 557869130910. Its totient is φ = 557869130908.

The previous prime is 557869130891. The next prime is 557869130911. The reversal of 557869130909 is 909031968755.

557869130909 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 514189384900 + 43679746009 = 717070^2 + 208997^2 .

It is a cyclic number.

It is not a de Polignac number, because 557869130909 - 216 = 557869065373 is a prime.

It is a super-2 number, since 2×5578691309092 (a number of 24 digits) contains 22 as substring.

Together with 557869130911, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (557869120909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 278934565454 + 278934565455.

It is an arithmetic number, because the mean of its divisors is an integer number (278934565455).

Almost surely, 2557869130909 is an apocalyptic number.

It is an amenable number.

557869130909 is a deficient number, since it is larger than the sum of its proper divisors (1).

557869130909 is an equidigital number, since it uses as much as digits as its factorization.

557869130909 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18370800, while the sum is 62.

The spelling of 557869130909 in words is "five hundred fifty-seven billion, eight hundred sixty-nine million, one hundred thirty thousand, nine hundred nine".