64125410957 has 2 divisors, whose sum is σ = 64125410958. Its totient is φ = 64125410956.

The previous prime is 64125410939. The next prime is 64125411037. The reversal of 64125410957 is 75901452146.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 59861451556 + 4263959401 = 244666^2 + 65299^2 .

It is a cyclic number.

It is not a de Polignac number, because 64125410957 - 2¹⁶ = 64125345421 is a prime.

It is a super-2 number, since 2×64125410957² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (64125415957) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32062705478 + 32062705479.

It is an arithmetic number, because the mean of its divisors is an integer number (32062705479).

Almost surely, 2^64125410957 is an apocalyptic number.

It is an amenable number.

64125410957 is a deficient number, since it is larger than the sum of its proper divisors (1).

64125410957 is an equidigital number, since it uses as much as digits as its factorization.

64125410957 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 302400, while the sum is 44.

The spelling of 64125410957 in words is "sixty-four billion, one hundred twenty-five million, four hundred ten thousand, nine hundred fifty-seven".