12791790389 has 8 divisors (see below), whose sum is σ = 14688475968. Its totient is φ = 10912426560.

The previous prime is 12791790379. The next prime is 12791790397. The reversal of 12791790389 is 98309719721.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12791790389 - 2⁸ = 12791790133 is a prime.

It is a super-2 number, since 2×12791790389² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12791790329) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4328852 + ... + 4331805.

It is an arithmetic number, because the mean of its divisors is an integer number (1836059496).

Almost surely, 2^12791790389 is an apocalyptic number.

It is an amenable number.

12791790389 is a deficient number, since it is larger than the sum of its proper divisors (1896685579).

12791790389 is an equidigital number, since it uses as much as digits as its factorization.

12791790389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8660875.

The product of its (nonzero) digits is 1714608, while the sum is 56.

The spelling of 12791790389 in words is "twelve billion, seven hundred ninety-one million, seven hundred ninety thousand, three hundred eighty-nine".