64701006512 has 10 divisors (see below), whose sum is σ = 125358200148. Its totient is φ = 32350503248.

The previous prime is 64701006509. The next prime is 64701006541. The reversal of 64701006512 is 21560010746.

It is a super-2 number, since 2×64701006512² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2021906438 + ... + 2021906469.

Almost surely, 2^64701006512 is an apocalyptic number.

It is an amenable number.

64701006512 is a deficient number, since it is larger than the sum of its proper divisors (60657193636).

64701006512 is a wasteful number, since it uses less digits than its factorization.

64701006512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4043812915 (or 4043812909 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 32.

The spelling of 64701006512 in words is "sixty-four billion, seven hundred one million, six thousand, five hundred twelve".