2626421139 has 32 divisors (see below), whose sum is σ = 3924771840. Its totient is φ = 1735818336.

The previous prime is 2626421111. The next prime is 2626421159. The reversal of 2626421139 is 9311246262.

It is a happy number.

2626421139 is a `hidden beast` number, since 2 + 6 + 2 + 642 + 1 + 1 + 3 + 9 = 666.

It is not a de Polignac number, because 2626421139 - 2⁵ = 2626421107 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2626421159) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1844982 + ... + 1846404.

It is an arithmetic number, because the mean of its divisors is an integer number (122649120).

Almost surely, 2^2626421139 is an apocalyptic number.

2626421139 is a deficient number, since it is larger than the sum of its proper divisors (1298350701).

2626421139 is a wasteful number, since it uses less digits than its factorization.

2626421139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1976 (or 1970 counting only the distinct ones).

The product of its digits is 31104, while the sum is 36.

The square root of 2626421139 is about 51248.6208497360. The cubic root of 2626421139 is about 1379.7109838985.

The spelling of 2626421139 in words is "two billion, six hundred twenty-six million, four hundred twenty-one thousand, one hundred thirty-nine".