2551279474 has 8 divisors (see below), whose sum is σ = 3908343168. Its totient is φ = 1248498420.

The previous prime is 2551279457. The next prime is 2551279477. The reversal of 2551279474 is 4749721552.

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

It is not an unprimeable number, because it can be changed into a prime (2551279477) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13570542 + ... + 13570729.

It is an arithmetic number, because the mean of its divisors is an integer number (488542896).

Almost surely, 2^2551279474 is an apocalyptic number.

2551279474 is a deficient number, since it is larger than the sum of its proper divisors (1357063694).

2551279474 is a wasteful number, since it uses less digits than its factorization.

2551279474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27141320.

The product of its digits is 705600, while the sum is 46.

The square root of 2551279474 is about 50510.1917834411. The cubic root of 2551279474 is about 1366.4256683780.

The spelling of 2551279474 in words is "two billion, five hundred fifty-one million, two hundred seventy-nine thousand, four hundred seventy-four".