15349038979 has 2 divisors, whose sum is σ = 15349038980. Its totient is φ = 15349038978.

The previous prime is 15349038973. The next prime is 15349039019. The reversal of 15349038979 is 97983094351.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-15349038979 is a prime.

It is a super-2 number, since 2×15349038979² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (15349038973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7674519489 + 7674519490.

It is an arithmetic number, because the mean of its divisors is an integer number (7674519490).

Almost surely, 2^15349038979 is an apocalyptic number.

15349038979 is a deficient number, since it is larger than the sum of its proper divisors (1).

15349038979 is an equidigital number, since it uses as much as digits as its factorization.

15349038979 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7348320, while the sum is 58.

The spelling of 15349038979 in words is "fifteen billion, three hundred forty-nine million, thirty-eight thousand, nine hundred seventy-nine".