12642513319 has 2 divisors, whose sum is σ = 12642513320. Its totient is φ = 12642513318.

The previous prime is 12642513307. The next prime is 12642513347. The reversal of 12642513319 is 91331524621.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12642513319 - 2¹⁵ = 12642480551 is a prime.

It is a super-2 number, since 2×12642513319² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12642513019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6321256659 + 6321256660.

It is an arithmetic number, because the mean of its divisors is an integer number (6321256660).

Almost surely, 2^12642513319 is an apocalyptic number.

12642513319 is a deficient number, since it is larger than the sum of its proper divisors (1).

12642513319 is an equidigital number, since it uses as much as digits as its factorization.

12642513319 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 38880, while the sum is 37.

The spelling of 12642513319 in words is "twelve billion, six hundred forty-two million, five hundred thirteen thousand, three hundred nineteen".