12793154397 has 4 divisors (see below), whose sum is σ = 17057539200. Its totient is φ = 8528769596.

The previous prime is 12793154357. The next prime is 12793154441. The reversal of 12793154397 is 79345139721.

12793154397 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 79345139721 = 3 ⋅26448379907.

It is a cyclic number.

It is not a de Polignac number, because 12793154397 - 2⁸ = 12793154141 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12793154327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2132192397 + ... + 2132192402.

It is an arithmetic number, because the mean of its divisors is an integer number (4264384800).

Almost surely, 2^12793154397 is an apocalyptic number.

It is an amenable number.

12793154397 is a deficient number, since it is larger than the sum of its proper divisors (4264384803).

12793154397 is an equidigital number, since it uses as much as digits as its factorization.

12793154397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4264384802.

The product of its digits is 1428840, while the sum is 51.

The spelling of 12793154397 in words is "twelve billion, seven hundred ninety-three million, one hundred fifty-four thousand, three hundred ninety-seven".