10172564957 has 2 divisors, whose sum is σ = 10172564958. Its totient is φ = 10172564956.

The previous prime is 10172564939. The next prime is 10172564989. The reversal of 10172564957 is 75946527101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7135011961 + 3037552996 = 84469^2 + 55114^2 .

It is a cyclic number.

It is not a de Polignac number, because 10172564957 - 2⁶ = 10172564893 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10172564357) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5086282478 + 5086282479.

It is an arithmetic number, because the mean of its divisors is an integer number (5086282479).

Almost surely, 2^10172564957 is an apocalyptic number.

It is an amenable number.

10172564957 is a deficient number, since it is larger than the sum of its proper divisors (1).

10172564957 is an equidigital number, since it uses as much as digits as its factorization.

10172564957 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 529200, while the sum is 47.

The spelling of 10172564957 in words is "ten billion, one hundred seventy-two million, five hundred sixty-four thousand, nine hundred fifty-seven".