12793344731 has 4 divisors (see below), whose sum is σ = 12793759200. Its totient is φ = 12792930264.

The previous prime is 12793344667. The next prime is 12793344749. The reversal of 12793344731 is 13744339721.

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 12793344731 - 2⁶ = 12793344667 is a prime.

It is a super-2 number, since 2×12793344731² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12793344761) 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, 156851 + ... + 224028.

It is an arithmetic number, because the mean of its divisors is an integer number (3198439800).

Almost surely, 2^12793344731 is an apocalyptic number.

12793344731 is a deficient number, since it is larger than the sum of its proper divisors (414469).

12793344731 is an equidigital number, since it uses as much as digits as its factorization.

12793344731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 414468.

The product of its digits is 381024, while the sum is 44.

The spelling of 12793344731 in words is "twelve billion, seven hundred ninety-three million, three hundred forty-four thousand, seven hundred thirty-one".