15791268439 has 2 divisors, whose sum is σ = 15791268440. Its totient is φ = 15791268438.

The previous prime is 15791268407. The next prime is 15791268457. The reversal of 15791268439 is 93486219751.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 15791268439 - 2⁵ = 15791268407 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 15791268439.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (15791278439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7895634219 + 7895634220.

It is an arithmetic number, because the mean of its divisors is an integer number (7895634220).

Almost surely, 2^15791268439 is an apocalyptic number.

15791268439 is a deficient number, since it is larger than the sum of its proper divisors (1).

15791268439 is an equidigital number, since it uses as much as digits as its factorization.

15791268439 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3265920, while the sum is 55.

The spelling of 15791268439 in words is "fifteen billion, seven hundred ninety-one million, two hundred sixty-eight thousand, four hundred thirty-nine".