254927974634 has 16 divisors (see below), whose sum is σ = 390567562560. Its totient is φ = 124764618720.

The previous prime is 254927974627. The next prime is 254927974681. The reversal of 254927974634 is 436479729452.

It is a happy number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6438059 + ... + 6477534.

It is an arithmetic number, because the mean of its divisors is an integer number (24410472660).

Almost surely, 2^254927974634 is an apocalyptic number.

254927974634 is a deficient number, since it is larger than the sum of its proper divisors (135639587926).

254927974634 is a wasteful number, since it uses less digits than its factorization.

254927974634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12915805.

The product of its digits is 91445760, while the sum is 62.

The spelling of 254927974634 in words is "two hundred fifty-four billion, nine hundred twenty-seven million, nine hundred seventy-four thousand, six hundred thirty-four".