5642567866954 has 16 divisors (see below), whose sum is σ = 8736729470568. Its totient is φ = 2731098831552.

The previous prime is 5642567866877. The next prime is 5642567866981. The reversal of 5642567866954 is 4596687652465.

It can be written as a sum of positive squares in 4 ways, for example, as 4861244461329 + 781323405625 = 2204823^2 + 883925^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 193515669 + ... + 193544824.

Almost surely, 2^{5642567866954} is an apocalyptic number.

5642567866954 is a deficient number, since it is larger than the sum of its proper divisors (3094161603614).

5642567866954 is a wasteful number, since it uses less digits than its factorization.

5642567866954 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 387060729.

The product of its digits is 2612736000, while the sum is 73.

The spelling of 5642567866954 in words is "five trillion, six hundred forty-two billion, five hundred sixty-seven million, eight hundred sixty-six thousand, nine hundred fifty-four".