64247165531003 has 48 divisors (see below), whose sum is σ = 79620577896960. Its totient is φ = 50760921639168.

The previous prime is 64247165530967. The next prime is 64247165531009. The reversal of 64247165531003 is 30013556174246.

It is not a de Polignac number, because 64247165531003 - 2⁸ = 64247165530747 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (64247165531009) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4353076538 + ... + 4353091296.

It is an arithmetic number, because the mean of its divisors is an integer number (1658762039520).

Almost surely, 2^{64247165531003} is an apocalyptic number.

64247165531003 is a deficient number, since it is larger than the sum of its proper divisors (15373412365957).

64247165531003 is a wasteful number, since it uses less digits than its factorization.

64247165531003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19756 (or 19743 counting only the distinct ones).

The product of its (nonzero) digits is 1814400, while the sum is 47.

The spelling of 64247165531003 in words is "sixty-four trillion, two hundred forty-seven billion, one hundred sixty-five million, five hundred thirty-one thousand, three".