13664564650024 has 8 divisors (see below), whose sum is σ = 25621058718810. Its totient is φ = 6832282325008.

The previous prime is 13664564650019. The next prime is 13664564650039. The reversal of 13664564650024 is 42005646546631.

It can be written as a sum of positive squares in only one way, i.e., 10512626013124 + 3151938636900 = 3242318^2 + 1775370^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 854035290619 + ... + 854035290634.

Almost surely, 2^{13664564650024} is an apocalyptic number.

It is an amenable number.

13664564650024 is a deficient number, since it is larger than the sum of its proper divisors (11956494068786).

13664564650024 is a wasteful number, since it uses less digits than its factorization.

13664564650024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1708070581259 (or 1708070581255 counting only the distinct ones).

The product of its (nonzero) digits is 12441600, while the sum is 52.

The spelling of 13664564650024 in words is "thirteen trillion, six hundred sixty-four billion, five hundred sixty-four million, six hundred fifty thousand, twenty-four".