12793193437 has 2 divisors, whose sum is σ = 12793193438. Its totient is φ = 12793193436.

The previous prime is 12793193431. The next prime is 12793193459. The reversal of 12793193437 is 73439139721.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11366544996 + 1426648441 = 106614^2 + 37771^2 .

It is a cyclic number.

It is not a de Polignac number, because 12793193437 - 2²⁷ = 12658975709 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12793193431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6396596718 + 6396596719.

It is an arithmetic number, because the mean of its divisors is an integer number (6396596719).

Almost surely, 2^12793193437 is an apocalyptic number.

It is an amenable number.

12793193437 is a deficient number, since it is larger than the sum of its proper divisors (1).

12793193437 is an equidigital number, since it uses as much as digits as its factorization.

12793193437 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 857304, while the sum is 49.

The spelling of 12793193437 in words is "twelve billion, seven hundred ninety-three million, one hundred ninety-three thousand, four hundred thirty-seven".