15122677939 has 2 divisors, whose sum is σ = 15122677940. Its totient is φ = 15122677938.

The previous prime is 15122677919. The next prime is 15122677957. The reversal of 15122677939 is 93977622151.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-15122677939 is a prime.

It is not a weakly prime, because it can be changed into another prime (15122677919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7561338969 + 7561338970.

It is an arithmetic number, because the mean of its divisors is an integer number (7561338970).

Almost surely, 2^15122677939 is an apocalyptic number.

15122677939 is a deficient number, since it is larger than the sum of its proper divisors (1).

15122677939 is an equidigital number, since it uses as much as digits as its factorization.

15122677939 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1428840, while the sum is 52.

The spelling of 15122677939 in words is "fifteen billion, one hundred twenty-two million, six hundred seventy-seven thousand, nine hundred thirty-nine".