12344940479 has 4 divisors (see below), whose sum is σ = 12374263800. Its totient is φ = 12315617160.

The previous prime is 12344940467. The next prime is 12344940511. The reversal of 12344940479 is 97404944321.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12344940479 - 2⁴ = 12344940463 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12344948479) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14661029 + ... + 14661870.

It is an arithmetic number, because the mean of its divisors is an integer number (3093565950).

Almost surely, 2^12344940479 is an apocalyptic number.

12344940479 is a deficient number, since it is larger than the sum of its proper divisors (29323321).

12344940479 is an equidigital number, since it uses as much as digits as its factorization.

12344940479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29323320.

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

The spelling of 12344940479 in words is "twelve billion, three hundred forty-four million, nine hundred forty thousand, four hundred seventy-nine".