64700056522708 has 6 divisors (see below), whose sum is σ = 113225098914746. Its totient is φ = 32350028261352.

The previous prime is 64700056522681. The next prime is 64700056522711. The reversal of 64700056522708 is 80722565000746.

It can be written as a sum of positive squares in only one way, i.e., 54826057509444 + 9873999013264 = 7404462^2 + 3142292^2 .

It is a super-2 number, since 2×64700056522708² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8087507065335 + ... + 8087507065342.

Almost surely, 2^{64700056522708} is an apocalyptic number.

It is an amenable number.

64700056522708 is a deficient number, since it is larger than the sum of its proper divisors (48525042392038).

64700056522708 is a wasteful number, since it uses less digits than its factorization.

64700056522708 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16175014130681 (or 16175014130679 counting only the distinct ones).

The product of its (nonzero) digits is 5644800, while the sum is 52.

The spelling of 64700056522708 in words is "sixty-four trillion, seven hundred billion, fifty-six million, five hundred twenty-two thousand, seven hundred eight".