12792004449 has 16 divisors (see below), whose sum is σ = 19535246208. Its totient is φ = 7293716352.

The previous prime is 12792004403. The next prime is 12792004481. The reversal of 12792004449 is 94440029721.

It is not a de Polignac number, because 12792004449 - 2⁷ = 12792004321 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12792004449.

It is not an unprimeable number, because it can be changed into a prime (12792004499) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 656862 + ... + 676055.

It is an arithmetic number, because the mean of its divisors is an integer number (1220952888).

Almost surely, 2^12792004449 is an apocalyptic number.

It is an amenable number.

12792004449 is a deficient number, since it is larger than the sum of its proper divisors (6743241759).

12792004449 is a wasteful number, since it uses less digits than its factorization.

12792004449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1333384.

The product of its (nonzero) digits is 145152, while the sum is 42.

The spelling of 12792004449 in words is "twelve billion, seven hundred ninety-two million, four thousand, four hundred forty-nine".