12239555719 has 2 divisors, whose sum is σ = 12239555720. Its totient is φ = 12239555718.

The previous prime is 12239555533. The next prime is 12239555747. The reversal of 12239555719 is 91755593221.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12239555719 - 2²¹ = 12237458567 is a prime.

It is a super-2 number, since 2×12239555719² (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 (12239553719) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6119777859 + 6119777860.

It is an arithmetic number, because the mean of its divisors is an integer number (6119777860).

Almost surely, 2^12239555719 is an apocalyptic number.

12239555719 is a deficient number, since it is larger than the sum of its proper divisors (1).

12239555719 is an equidigital number, since it uses as much as digits as its factorization.

12239555719 is an evil number, because the sum of its binary digits is even.

The product of its digits is 850500, while the sum is 49.

The spelling of 12239555719 in words is "twelve billion, two hundred thirty-nine million, five hundred fifty-five thousand, seven hundred nineteen".