64500536601 has 24 divisors (see below), whose sum is σ = 99734811904. Its totient is φ = 41613244560.

The previous prime is 64500536599. The next prime is 64500536609. The reversal of 64500536601 is 10663500546.

64500536601 is a `hidden beast` number, since 6 + 45 + 0 + 0 + 5 + 3 + 6 + 601 = 666.

It is not a de Polignac number, because 64500536601 - 2¹ = 64500536599 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (64500536609) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4273666 + ... + 4288731.

Almost surely, 2^64500536601 is an apocalyptic number.

It is an amenable number.

64500536601 is a deficient number, since it is larger than the sum of its proper divisors (35234275303).

64500536601 is an equidigital number, since it uses as much as digits as its factorization.

64500536601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8562443 (or 8562431 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 36.

The spelling of 64500536601 in words is "sixty-four billion, five hundred million, five hundred thirty-six thousand, six hundred one".