6642562907095 has 32 divisors (see below), whose sum is σ = 8448732786240. Its totient is φ = 4996264458240.

The previous prime is 6642562907059. The next prime is 6642562907143. The reversal of 6642562907095 is 5907092652466.

It is not a de Polignac number, because 6642562907095 - 2²⁵ = 6642529352663 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 413575365 + ... + 413591425.

It is an arithmetic number, because the mean of its divisors is an integer number (264022899570).

Almost surely, 2^{6642562907095} is an apocalyptic number.

6642562907095 is a deficient number, since it is larger than the sum of its proper divisors (1806169879145).

6642562907095 is a wasteful number, since it uses less digits than its factorization.

6642562907095 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20835.

The product of its (nonzero) digits is 48988800, while the sum is 61.

The spelling of 6642562907095 in words is "six trillion, six hundred forty-two billion, five hundred sixty-two million, nine hundred seven thousand, ninety-five".