6465515106533 has 32 divisors (see below), whose sum is σ = 7850590556160. Its totient is φ = 5207047312320.

The previous prime is 6465515106433. The next prime is 6465515106571. The reversal of 6465515106533 is 3356015155646.

It is not a de Polignac number, because 6465515106533 - 2¹⁸ = 6465514844389 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6465515106433) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 998966 + ... + 3732152.

It is an arithmetic number, because the mean of its divisors is an integer number (245330954880).

Almost surely, 2^{6465515106533} is an apocalyptic number.

It is an amenable number.

6465515106533 is a deficient number, since it is larger than the sum of its proper divisors (1385075449627).

6465515106533 is a wasteful number, since it uses less digits than its factorization.

6465515106533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2733537.

The product of its (nonzero) digits is 4860000, while the sum is 50.

The spelling of 6465515106533 in words is "six trillion, four hundred sixty-five billion, five hundred fifteen million, one hundred six thousand, five hundred thirty-three".