14326247257 has 12 divisors (see below), whose sum is σ = 16667293620. Its totient is φ = 12278117376.

The previous prime is 14326247219. The next prime is 14326247261. The reversal of 14326247257 is 75274262341.

It can be written as a sum of positive squares in 2 ways, for example, as 7254950976 + 7071296281 = 85176^2 + 84091^2 .

It is not a de Polignac number, because 14326247257 - 2⁷ = 14326247129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14326247267) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 580669 + ... + 604837.

It is an arithmetic number, because the mean of its divisors is an integer number (1388941135).

Almost surely, 2^14326247257 is an apocalyptic number.

It is an amenable number.

14326247257 is a deficient number, since it is larger than the sum of its proper divisors (2341046363).

14326247257 is a wasteful number, since it uses less digits than its factorization.

14326247257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36280 (or 36273 counting only the distinct ones).

The product of its digits is 564480, while the sum is 43.

The spelling of 14326247257 in words is "fourteen billion, three hundred twenty-six million, two hundred forty-seven thousand, two hundred fifty-seven".