2551589138 has 8 divisors (see below), whose sum is σ = 4374152832. Its totient is φ = 1093538196.

The previous prime is 2551589129. The next prime is 2551589141. The reversal of 2551589138 is 8319851552.

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

It is a junction number, because it is equal to n+sod(n) for n = 2551589092 and 2551589101.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 91128170 + ... + 91128197.

It is an arithmetic number, because the mean of its divisors is an integer number (546769104).

Almost surely, 2^2551589138 is an apocalyptic number.

2551589138 is a deficient number, since it is larger than the sum of its proper divisors (1822563694).

2551589138 is a wasteful number, since it uses less digits than its factorization.

2551589138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182256376.

The product of its digits is 432000, while the sum is 47.

The square root of 2551589138 is about 50513.2570519859. The cubic root of 2551589138 is about 1366.4809498847.

The spelling of 2551589138 in words is "two billion, five hundred fifty-one million, five hundred eighty-nine thousand, one hundred thirty-eight".