64122320325 has 24 divisors (see below), whose sum is σ = 121160651968. Its totient is φ = 29313060480.

The previous prime is 64122320267. The next prime is 64122320387. The reversal of 64122320325 is 52302322146.

It is not a de Polignac number, because 64122320325 - 2¹¹ = 64122318277 is a prime.

It is a super-2 number, since 2×64122320325² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 64122320292 and 64122320301.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 61068352 + ... + 61069401.

Almost surely, 2^64122320325 is an apocalyptic number.

It is an amenable number.

64122320325 is a deficient number, since it is larger than the sum of its proper divisors (57038331643).

64122320325 is a wasteful number, since it uses less digits than its factorization.

64122320325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122137773 (or 122137768 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 30.

The spelling of 64122320325 in words is "sixty-four billion, one hundred twenty-two million, three hundred twenty thousand, three hundred twenty-five".