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4291813061 is a prime number
BaseRepresentation
bin1111111111001111…
…1101111011000101
3102002002210200201022
43333303331323011
532242201004221
61545512240525
7211232544344
oct37763757305
912062720638
104291813061
111902686748
129b93a0145
13535213c73
142c9dd5b5b
151a1bb84ab
hexffcfdec5

4291813061 has 2 divisors, whose sum is σ = 4291813062. Its totient is φ = 4291813060.

The previous prime is 4291813033. The next prime is 4291813069. The reversal of 4291813061 is 1603181924.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3646348225 + 645464836 = 60385^2 + 25406^2 .

It is a cyclic number.

It is not a de Polignac number, because 4291813061 - 26 = 4291812997 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4291813069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2145906530 + 2145906531.

It is an arithmetic number, because the mean of its divisors is an integer number (2145906531).

Almost surely, 24291813061 is an apocalyptic number.

It is an amenable number.

4291813061 is a deficient number, since it is larger than the sum of its proper divisors (1).

4291813061 is an equidigital number, since it uses as much as digits as its factorization.

4291813061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10368, while the sum is 35.

The square root of 4291813061 is about 65511.9306767859. The cubic root of 4291813061 is about 1625.1006562975.

Adding to 4291813061 its reverse (1603181924), we get a palindrome (5894994985).

The spelling of 4291813061 in words is "four billion, two hundred ninety-one million, eight hundred thirteen thousand, sixty-one".