2551913406174 has 64 divisors (see below), whose sum is σ = 5760773187840. Its totient is φ = 746515768320.

The previous prime is 2551913406139. The next prime is 2551913406197. The reversal of 2551913406174 is 4716043191552.

It is a super-2 number, since 2×2551913406174² (a number of 26 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11591229 + ... + 11809335.

It is an arithmetic number, because the mean of its divisors is an integer number (90012081060).

Almost surely, 2^{2551913406174} is an apocalyptic number.

2551913406174 is an abundant number, since it is smaller than the sum of its proper divisors (3208859781666).

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

2551913406174 is a wasteful number, since it uses less digits than its factorization.

2551913406174 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224265.

The product of its (nonzero) digits is 907200, while the sum is 48.

The spelling of 2551913406174 in words is "two trillion, five hundred fifty-one billion, nine hundred thirteen million, four hundred six thousand, one hundred seventy-four".