15001002979 has 2 divisors, whose sum is σ = 15001002980. Its totient is φ = 15001002978.

The previous prime is 15001002977. The next prime is 15001003009. The reversal of 15001002979 is 97920010051.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 15001002979 - 2¹ = 15001002977 is a prime.

Together with 15001002977, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (15001002977) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7500501489 + 7500501490.

It is an arithmetic number, because the mean of its divisors is an integer number (7500501490).

Almost surely, 2^15001002979 is an apocalyptic number.

15001002979 is a deficient number, since it is larger than the sum of its proper divisors (1).

15001002979 is an equidigital number, since it uses as much as digits as its factorization.

15001002979 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5670, while the sum is 34.

The spelling of 15001002979 in words is "fifteen billion, one million, two thousand, nine hundred seventy-nine".