274877906957 has 2 divisors, whose sum is σ = 274877906958. Its totient is φ = 274877906956.

The previous prime is 274877906951. The next prime is 274877907011. The reversal of 274877906957 is 759609778472.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 200709376036 + 74168530921 = 448006^2 + 272339^2 .

It is a cyclic number.

It is not a de Polignac number, because 274877906957 - 2²⁰ = 274876858381 is a prime.

It is a super-2 number, since 2×274877906957² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (274877906951) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 137438953478 + 137438953479.

It is an arithmetic number, because the mean of its divisors is an integer number (137438953479).

Almost surely, 2^274877906957 is an apocalyptic number.

It is an amenable number.

274877906957 is a deficient number, since it is larger than the sum of its proper divisors (1).

274877906957 is an equidigital number, since it uses as much as digits as its factorization.

274877906957 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 373403520, while the sum is 71.

The spelling of 274877906957 in words is "two hundred seventy-four billion, eight hundred seventy-seven million, nine hundred six thousand, nine hundred fifty-seven".