12395566079 has 4 divisors (see below), whose sum is σ = 13349071176. Its totient is φ = 11442060984.

The previous prime is 12395565979. The next prime is 12395566087. The reversal of 12395566079 is 97066559321.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 97066559321 = 47 ⋅2065245943.

It is a cyclic number.

It is not a de Polignac number, because 12395566079 - 2³² = 8100598783 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12395566079.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12395566679) 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, 476752529 + ... + 476752554.

It is an arithmetic number, because the mean of its divisors is an integer number (3337267794).

Almost surely, 2^12395566079 is an apocalyptic number.

12395566079 is a deficient number, since it is larger than the sum of its proper divisors (953505097).

12395566079 is an equidigital number, since it uses as much as digits as its factorization.

12395566079 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 953505096.

The product of its (nonzero) digits is 3061800, while the sum is 53.

The spelling of 12395566079 in words is "twelve billion, three hundred ninety-five million, five hundred sixty-six thousand, seventy-nine".