12353975979 has 4 divisors (see below), whose sum is σ = 16471967976. Its totient is φ = 8235983984.

The previous prime is 12353975971. The next prime is 12353975983. The reversal of 12353975979 is 97957935321.

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 12353975979 - 2³ = 12353975971 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12353975971) 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, 2058995994 + ... + 2058995999.

It is an arithmetic number, because the mean of its divisors is an integer number (4117991994).

Almost surely, 2^12353975979 is an apocalyptic number.

12353975979 is a deficient number, since it is larger than the sum of its proper divisors (4117991997).

12353975979 is an equidigital number, since it uses as much as digits as its factorization.

12353975979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4117991996.

The product of its digits is 16074450, while the sum is 60.

The spelling of 12353975979 in words is "twelve billion, three hundred fifty-three million, nine hundred seventy-five thousand, nine hundred seventy-nine".