254901893516 has 24 divisors (see below), whose sum is σ = 456476013840. Its totient is φ = 124480484352.

The previous prime is 254901893507. The next prime is 254901893549. The reversal of 254901893516 is 615398109452.

It is a Smith number, since the sum of its digits (53) coincides with the sum of the digits of its prime factors.

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, 6105320 + ... + 6146928.

It is an arithmetic number, because the mean of its divisors is an integer number (19019833910).

Almost surely, 2^254901893516 is an apocalyptic number.

It is an amenable number.

254901893516 is a deficient number, since it is larger than the sum of its proper divisors (201574120324).

254901893516 is a wasteful number, since it uses less digits than its factorization.

254901893516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77273 (or 77271 counting only the distinct ones).

The product of its (nonzero) digits is 2332800, while the sum is 53.

The spelling of 254901893516 in words is "two hundred fifty-four billion, nine hundred one million, eight hundred ninety-three thousand, five hundred sixteen".