12792635437 has 4 divisors (see below), whose sum is σ = 12886012476. Its totient is φ = 12699258400.

The previous prime is 12792635399. The next prime is 12792635447. The reversal of 12792635437 is 73453629721.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 73453629721 = 43 ⋅1708223947.

It can be written as a sum of positive squares in 2 ways, for example, as 7414759881 + 5377875556 = 86109^2 + 73334^2 .

It is a cyclic number.

It is not a de Polignac number, because 12792635437 - 2⁷ = 12792635309 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12792635447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46688314 + ... + 46688587.

It is an arithmetic number, because the mean of its divisors is an integer number (3221503119).

Almost surely, 2^12792635437 is an apocalyptic number.

It is an amenable number.

12792635437 is a deficient number, since it is larger than the sum of its proper divisors (93377039).

12792635437 is an equidigital number, since it uses as much as digits as its factorization.

12792635437 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93377038.

The product of its digits is 1905120, while the sum is 49.

The spelling of 12792635437 in words is "twelve billion, seven hundred ninety-two million, six hundred thirty-five thousand, four hundred thirty-seven".