2138725838627 has 8 divisors (see below), whose sum is σ = 2452117454592. Its totient is φ = 1827299061000.

The previous prime is 2138725838617. The next prime is 2138725838651. The reversal of 2138725838627 is 7268385278312.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2138725838627 - 2²⁰ = 2138724790051 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2138725838627.

It is not an unprimeable number, because it can be changed into a prime (2138725838617) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 491207249 + ... + 491211602.

It is an arithmetic number, because the mean of its divisors is an integer number (306514681824).

Almost surely, 2^{2138725838627} is an apocalyptic number.

2138725838627 is a deficient number, since it is larger than the sum of its proper divisors (313391615965).

2138725838627 is an equidigital number, since it uses as much as digits as its factorization.

2138725838627 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 982419169.

The product of its digits is 54190080, while the sum is 62.

The spelling of 2138725838627 in words is "two trillion, one hundred thirty-eight billion, seven hundred twenty-five million, eight hundred thirty-eight thousand, six hundred twenty-seven".