2256932641967 has 2 divisors, whose sum is σ = 2256932641968. Its totient is φ = 2256932641966.

The previous prime is 2256932641939. The next prime is 2256932641973. The reversal of 2256932641967 is 7691462396522.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2256932641967 is a prime.

It is a super-2 number, since 2×2256932641967² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2256932641987) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1128466320983 + 1128466320984.

It is an arithmetic number, because the mean of its divisors is an integer number (1128466320984).

Almost surely, 2^{2256932641967} is an apocalyptic number.

2256932641967 is a deficient number, since it is larger than the sum of its proper divisors (1).

2256932641967 is an equidigital number, since it uses as much as digits as its factorization.

2256932641967 is an evil number, because the sum of its binary digits is even.

The product of its digits is 58786560, while the sum is 62.

The spelling of 2256932641967 in words is "two trillion, two hundred fifty-six billion, nine hundred thirty-two million, six hundred forty-one thousand, nine hundred sixty-seven".