12409497344 has 36 divisors (see below), whose sum is σ = 26227618704. Its totient is φ = 5839761408.

The previous prime is 12409497263. The next prime is 12409497389. The reversal of 12409497344 is 44379490421.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1421372 + ... + 1430075.

It is an arithmetic number, because the mean of its divisors is an integer number (728544964).

Almost surely, 2^12409497344 is an apocalyptic number.

It is an amenable number.

12409497344 is an abundant number, since it is smaller than the sum of its proper divisors (13818121360).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12409497344 is an equidigital number, since it uses as much as digits as its factorization.

12409497344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2851480 (or 2851466 counting only the distinct ones).

The product of its (nonzero) digits is 870912, while the sum is 47.

The spelling of 12409497344 in words is "twelve billion, four hundred nine million, four hundred ninety-seven thousand, three hundred forty-four".