12357309459 has 32 divisors (see below), whose sum is σ = 18058791168. Its totient is φ = 7454160000.

The previous prime is 12357309413. The next prime is 12357309467. The reversal of 12357309459 is 95490375321.

It is not a de Polignac number, because 12357309459 - 2⁸ = 12357309203 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12357309059) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8515684 + ... + 8517134.

It is an arithmetic number, because the mean of its divisors is an integer number (564337224).

Almost surely, 2^12357309459 is an apocalyptic number.

12357309459 is a deficient number, since it is larger than the sum of its proper divisors (5701481709).

12357309459 is a wasteful number, since it uses less digits than its factorization.

12357309459 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2499.

The product of its (nonzero) digits is 1020600, while the sum is 48.

The spelling of 12357309459 in words is "twelve billion, three hundred fifty-seven million, three hundred nine thousand, four hundred fifty-nine".