64712715883628 has 12 divisors (see below), whose sum is σ = 116900389983552. Its totient is φ = 31312604459760.

The previous prime is 64712715883619. The next prime is 64712715883643. The reversal of 64712715883628 is 82638851721746.

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, 260938370375 + ... + 260938370622.

It is an arithmetic number, because the mean of its divisors is an integer number (9741699165296).

Almost surely, 2^{64712715883628} is an apocalyptic number.

It is an amenable number.

64712715883628 is a deficient number, since it is larger than the sum of its proper divisors (52187674099924).

64712715883628 is a wasteful number, since it uses less digits than its factorization.

64712715883628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 521876741032 (or 521876741030 counting only the distinct ones).

The product of its digits is 216760320, while the sum is 68.

The spelling of 64712715883628 in words is "sixty-four trillion, seven hundred twelve billion, seven hundred fifteen million, eight hundred eighty-three thousand, six hundred twenty-eight".