12968158439 has 2 divisors, whose sum is σ = 12968158440. Its totient is φ = 12968158438.

The previous prime is 12968158429. The next prime is 12968158447. The reversal of 12968158439 is 93485186921.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12968158439 - 2²⁰ = 12967109863 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12968158409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6484079219 + 6484079220.

It is an arithmetic number, because the mean of its divisors is an integer number (6484079220).

Almost surely, 2^12968158439 is an apocalyptic number.

12968158439 is a deficient number, since it is larger than the sum of its proper divisors (1).

12968158439 is an equidigital number, since it uses as much as digits as its factorization.

12968158439 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3732480, while the sum is 56.

The spelling of 12968158439 in words is "twelve billion, nine hundred sixty-eight million, one hundred fifty-eight thousand, four hundred thirty-nine".