14889404257 has 24 divisors (see below), whose sum is σ = 19295879400. Its totient is φ = 11374384896.

The previous prime is 14889404237. The next prime is 14889404281. The reversal of 14889404257 is 75240498841.

It can be written as a sum of positive squares in 4 ways, for example, as 1177931041 + 13711473216 = 34321^2 + 117096^2 .

It is not a de Polignac number, because 14889404257 - 2¹⁹ = 14888879969 is a prime.

It is a Smith number, since the sum of its digits (52) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (14889404227) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 384532 + ... + 421477.

It is an arithmetic number, because the mean of its divisors is an integer number (803994975).

Almost surely, 2^14889404257 is an apocalyptic number.

It is an amenable number.

14889404257 is a deficient number, since it is larger than the sum of its proper divisors (4406475143).

14889404257 is a wasteful number, since it uses less digits than its factorization.

14889404257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 806065 (or 806058 counting only the distinct ones).

The product of its (nonzero) digits is 2580480, while the sum is 52.

The spelling of 14889404257 in words is "fourteen billion, eight hundred eighty-nine million, four hundred four thousand, two hundred fifty-seven".