64550631023708 has 6 divisors (see below), whose sum is σ = 112963604291496. Its totient is φ = 32275315511852.

The previous prime is 64550631023701. The next prime is 64550631023717. The reversal of 64550631023708 is 80732013605546.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64550631023701) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8068828877960 + ... + 8068828877967.

It is an arithmetic number, because the mean of its divisors is an integer number (18827267381916).

Almost surely, 2^{64550631023708} is an apocalyptic number.

It is an amenable number.

64550631023708 is a deficient number, since it is larger than the sum of its proper divisors (48412973267788).

64550631023708 is a wasteful number, since it uses less digits than its factorization.

64550631023708 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16137657755931 (or 16137657755929 counting only the distinct ones).

The product of its (nonzero) digits is 3628800, while the sum is 50.

The spelling of 64550631023708 in words is "sixty-four trillion, five hundred fifty billion, six hundred thirty-one million, twenty-three thousand, seven hundred eight".