12309525993459 has 16 divisors (see below), whose sum is σ = 16417139281664. Its totient is φ = 8204131980000.

The previous prime is 12309525993439. The next prime is 12309525993467. The reversal of 12309525993459 is 95439952590321.

It is a de Polignac number, because none of the positive numbers 2^k-12309525993459 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12309525993459.

It is not an unprimeable number, because it can be changed into a prime (12309525993439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 222362634 + ... + 222417984.

It is an arithmetic number, because the mean of its divisors is an integer number (1026071205104).

Almost surely, 2^{12309525993459} is an apocalyptic number.

12309525993459 is a deficient number, since it is larger than the sum of its proper divisors (4107613288205).

12309525993459 is a wasteful number, since it uses less digits than its factorization.

12309525993459 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74058.

The product of its (nonzero) digits is 118098000, while the sum is 66.

The spelling of 12309525993459 in words is "twelve trillion, three hundred nine billion, five hundred twenty-five million, nine hundred ninety-three thousand, four hundred fifty-nine".