254866893617 has 16 divisors (see below), whose sum is σ = 306260160000. Its totient is φ = 207466539840.

The previous prime is 254866893497. The next prime is 254866893637. The reversal of 254866893617 is 716398668452.

It is not a de Polignac number, because 254866893617 - 2²⁰ = 254865845041 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (254866893637) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10278617 + ... + 10303382.

It is an arithmetic number, because the mean of its divisors is an integer number (19141260000).

Almost surely, 2^254866893617 is an apocalyptic number.

It is an amenable number.

254866893617 is a deficient number, since it is larger than the sum of its proper divisors (51393266383).

254866893617 is a wasteful number, since it uses less digits than its factorization.

254866893617 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20582096.

The product of its digits is 104509440, while the sum is 65.

The spelling of 254866893617 in words is "two hundred fifty-four billion, eight hundred sixty-six million, eight hundred ninety-three thousand, six hundred seventeen".