15242908939 has 2 divisors, whose sum is σ = 15242908940. Its totient is φ = 15242908938.

The previous prime is 15242908937. The next prime is 15242908943. The reversal of 15242908939 is 93980924251.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 15242908939 - 2¹ = 15242908937 is a prime.

It is a super-2 number, since 2×15242908939² (a number of 21 digits) contains 22 as substring.

Together with 15242908937, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (15242908937) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7621454469 + 7621454470.

It is an arithmetic number, because the mean of its divisors is an integer number (7621454470).

Almost surely, 2^15242908939 is an apocalyptic number.

15242908939 is a deficient number, since it is larger than the sum of its proper divisors (1).

15242908939 is an equidigital number, since it uses as much as digits as its factorization.

15242908939 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1399680, while the sum is 52.

The spelling of 15242908939 in words is "fifteen billion, two hundred forty-two million, nine hundred eight thousand, nine hundred thirty-nine".