12965938039 has 2 divisors, whose sum is σ = 12965938040. Its totient is φ = 12965938038.

The previous prime is 12965938003. The next prime is 12965938057. The reversal of 12965938039 is 93083956921.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12965938039 - 2²¹ = 12963840887 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12965938639) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6482969019 + 6482969020.

It is an arithmetic number, because the mean of its divisors is an integer number (6482969020).

Almost surely, 2^12965938039 is an apocalyptic number.

12965938039 is a deficient number, since it is larger than the sum of its proper divisors (1).

12965938039 is an equidigital number, since it uses as much as digits as its factorization.

12965938039 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3149280, while the sum is 55.

The spelling of 12965938039 in words is "twelve billion, nine hundred sixty-five million, nine hundred thirty-eight thousand, thirty-nine".