64507125480973 has 16 divisors (see below), whose sum is σ = 75390799680000. Its totient is φ = 54051014868912.

The previous prime is 64507125480943. The next prime is 64507125480977. The reversal of 64507125480973 is 37908452170546.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-64507125480973 is a prime.

It is a super-2 number, since 2×64507125480973² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64507125480977) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 436215423 + ... + 436363276.

It is an arithmetic number, because the mean of its divisors is an integer number (4711924980000).

It is a 1-persistent number, because it is pandigital, but 2⋅64507125480973 = 129014250961946 is not.

Almost surely, 2^{64507125480973} is an apocalyptic number.

It is an amenable number.

64507125480973 is a deficient number, since it is larger than the sum of its proper divisors (10883674199027).

64507125480973 is a wasteful number, since it uses less digits than its factorization.

64507125480973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 872578944.

The product of its (nonzero) digits is 50803200, while the sum is 61.

The spelling of 64507125480973 in words is "sixty-four trillion, five hundred seven billion, one hundred twenty-five million, four hundred eighty thousand, nine hundred seventy-three".