12479233369 has 2 divisors, whose sum is σ = 12479233370. Its totient is φ = 12479233368.

The previous prime is 12479233337. The next prime is 12479233379. The reversal of 12479233369 is 96333297421.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6799651600 + 5679581769 = 82460^2 + 75363^2 .

It is a cyclic number.

It is not a de Polignac number, because 12479233369 - 2⁵ = 12479233337 is a prime.

It is a super-2 number, since 2×12479233369² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (12479233379) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6239616684 + 6239616685.

It is an arithmetic number, because the mean of its divisors is an integer number (6239616685).

Almost surely, 2^12479233369 is an apocalyptic number.

It is an amenable number.

12479233369 is a deficient number, since it is larger than the sum of its proper divisors (1).

12479233369 is an equidigital number, since it uses as much as digits as its factorization.

12479233369 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1469664, while the sum is 49.

The spelling of 12479233369 in words is "twelve billion, four hundred seventy-nine million, two hundred thirty-three thousand, three hundred sixty-nine".