2638536364 has 48 divisors (see below), whose sum is σ = 4775500800. Its totient is φ = 1275120000.

The previous prime is 2638536361. The next prime is 2638536421. The reversal of 2638536364 is 4636358362.

It is a super-3 number, since 3×2638536364³ (a number of 29 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (2638536361) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 3512989 + ... + 3513739.

It is an arithmetic number, because the mean of its divisors is an integer number (99489600).

Almost surely, 2^2638536364 is an apocalyptic number.

It is an amenable number.

2638536364 is a deficient number, since it is larger than the sum of its proper divisors (2136964436).

2638536364 is a wasteful number, since it uses less digits than its factorization.

2638536364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1054 (or 1052 counting only the distinct ones).

The product of its digits is 1866240, while the sum is 46.

The square root of 2638536364 is about 51366.6853515000. The cubic root of 2638536364 is about 1381.8291860541.

The spelling of 2638536364 in words is "two billion, six hundred thirty-eight million, five hundred thirty-six thousand, three hundred sixty-four".