2638668362 has 16 divisors (see below), whose sum is σ = 4571811072. Its totient is φ = 1128841920.

The previous prime is 2638668343. The next prime is 2638668371.

2638668362 is nontrivially palindromic in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 2638668362.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3527258 + ... + 3528005.

It is an arithmetic number, because the mean of its divisors is an integer number (285738192).

Almost surely, 2^2638668362 is an apocalyptic number.

2638668362 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2638668362 is a deficient number, since it is larger than the sum of its proper divisors (1933142710).

2638668362 is a wasteful number, since it uses less digits than its factorization.

2638668362 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7055293.

The product of its digits is 2985984, while the sum is 50.

The square root of 2638668362 is about 51367.9701954438. The cubic root of 2638668362 is about 1381.8522285825.

The spelling of 2638668362 in words is "two billion, six hundred thirty-eight million, six hundred sixty-eight thousand, three hundred sixty-two".