2638888888798 has 16 divisors (see below), whose sum is σ = 4014184736736. Its totient is φ = 1300828238080.

The previous prime is 2638888888681. The next prime is 2638888888813. The reversal of 2638888888798 is 8978888888362.

2638888888798 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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, 6076890 + ... + 6496642.

It is an arithmetic number, because the mean of its divisors is an integer number (250886546046).

Almost surely, 2^{2638888888798} is an apocalyptic number.

2638888888798 is a deficient number, since it is larger than the sum of its proper divisors (1375295847938).

2638888888798 is a wasteful number, since it uses less digits than its factorization.

2638888888798 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 464099.

The product of its digits is 38050725888, while the sum is 91.

The spelling of 2638888888798 in words is "two trillion, six hundred thirty-eight billion, eight hundred eighty-eight million, eight hundred eighty-eight thousand, seven hundred ninety-eight".