12791875619 has 16 divisors (see below), whose sum is σ = 13433306880. Its totient is φ = 12165120000.

The previous prime is 12791875561. The next prime is 12791875627. The reversal of 12791875619 is 91657819721.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 12791875619 - 2²⁰ = 12790827043 is a prime.

It is a super-2 number, since 2×12791875619² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12791875699) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2662019 + ... + 2666819.

It is an arithmetic number, because the mean of its divisors is an integer number (839581680).

Almost surely, 2^12791875619 is an apocalyptic number.

12791875619 is a deficient number, since it is larger than the sum of its proper divisors (641431261).

12791875619 is a wasteful number, since it uses less digits than its factorization.

12791875619 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6302.

The product of its digits is 1905120, while the sum is 56.

The spelling of 12791875619 in words is "twelve billion, seven hundred ninety-one million, eight hundred seventy-five thousand, six hundred nineteen".