64125248951 has 2 divisors, whose sum is σ = 64125248952. Its totient is φ = 64125248950.

The previous prime is 64125248947. The next prime is 64125249011. The reversal of 64125248951 is 15984252146.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 64125248951 - 2² = 64125248947 is a prime.

It is a super-2 number, since 2×64125248951² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 64125248896 and 64125248905.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (64125248251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32062624475 + 32062624476.

It is an arithmetic number, because the mean of its divisors is an integer number (32062624476).

Almost surely, 2^64125248951 is an apocalyptic number.

64125248951 is a deficient number, since it is larger than the sum of its proper divisors (1).

64125248951 is an equidigital number, since it uses as much as digits as its factorization.

64125248951 is an evil number, because the sum of its binary digits is even.

The product of its digits is 691200, while the sum is 47.

The spelling of 64125248951 in words is "sixty-four billion, one hundred twenty-five million, two hundred forty-eight thousand, nine hundred fifty-one".