15942470039 has 2 divisors, whose sum is σ = 15942470040. Its totient is φ = 15942470038.

The previous prime is 15942470023. The next prime is 15942470041. The reversal of 15942470039 is 93007424951.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 15942470039 - 2⁴ = 15942470023 is a prime.

Together with 15942470041, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (15942470339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7971235019 + 7971235020.

It is an arithmetic number, because the mean of its divisors is an integer number (7971235020).

Almost surely, 2^15942470039 is an apocalyptic number.

15942470039 is a deficient number, since it is larger than the sum of its proper divisors (1).

15942470039 is an equidigital number, since it uses as much as digits as its factorization.

15942470039 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 272160, while the sum is 44.

The spelling of 15942470039 in words is "fifteen billion, nine hundred forty-two million, four hundred seventy thousand, thirty-nine".