64118479738912 has 24 divisors (see below), whose sum is σ = 126376541101692. Its totient is φ = 32022850252800.

The previous prime is 64118479738843. The next prime is 64118479738921. The reversal of 64118479738912 is 21983797481146.

It can be written as a sum of positive squares in 2 ways, for example, as 64118390700816 + 89038096 = 8007396^2 + 9436^2 .

It is a super-2 number, since 2×64118479738912² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1137146889 + ... + 1137203272.

Almost surely, 2^{64118479738912} is an apocalyptic number.

It is an amenable number.

64118479738912 is a deficient number, since it is larger than the sum of its proper divisors (62258061362780).

64118479738912 is a wasteful number, since it uses less digits than its factorization.

64118479738912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2274351052 (or 2274351044 counting only the distinct ones).

The product of its digits is 146313216, while the sum is 70.

The spelling of 64118479738912 in words is "sixty-four trillion, one hundred eighteen billion, four hundred seventy-nine million, seven hundred thirty-eight thousand, nine hundred twelve".