2551972535238 has 32 divisors (see below), whose sum is σ = 5875044698880. Its totient is φ = 723889432800.

The previous prime is 2551972535219. The next prime is 2551972535261. The reversal of 2551972535238 is 8325352791552.

2551972535238 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 15 ways as a sum of consecutive naturals, for example, 218559813 + ... + 218571488.

It is an arithmetic number, because the mean of its divisors is an integer number (183595146840).

Almost surely, 2^{2551972535238} is an apocalyptic number.

2551972535238 is an abundant number, since it is smaller than the sum of its proper divisors (3323072163642).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2551972535238 is a wasteful number, since it uses less digits than its factorization.

2551972535238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 437131452.

The product of its digits is 22680000, while the sum is 57.

The spelling of 2551972535238 in words is "two trillion, five hundred fifty-one billion, nine hundred seventy-two million, five hundred thirty-five thousand, two hundred thirty-eight".