2642318564 has 6 divisors (see below), whose sum is σ = 4624057494. Its totient is φ = 1321159280.

The previous prime is 2642318527. The next prime is 2642318587. The reversal of 2642318564 is 4658132462.

It can be written as a sum of positive squares in only one way, i.e., 1532096164 + 1110222400 = 39142^2 + 33320^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 330289817 + ... + 330289824.

It is an arithmetic number, because the mean of its divisors is an integer number (770676249).

Almost surely, 2^2642318564 is an apocalyptic number.

It is an amenable number.

2642318564 is a deficient number, since it is larger than the sum of its proper divisors (1981738930).

2642318564 is a wasteful number, since it uses less digits than its factorization.

2642318564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 660579645 (or 660579643 counting only the distinct ones).

The product of its digits is 276480, while the sum is 41.

The square root of 2642318564 is about 51403.4878583156. The cubic root of 2642318564 is about 1382.4891301015.

The spelling of 2642318564 in words is "two billion, six hundred forty-two million, three hundred eighteen thousand, five hundred sixty-four".