15532242239 has 2 divisors, whose sum is σ = 15532242240. Its totient is φ = 15532242238.

The previous prime is 15532242221. The next prime is 15532242241. The reversal of 15532242239 is 93224223551.

It is a strong prime.

It is an emirp because it is prime and its reverse (93224223551) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 15532242239 - 2⁸ = 15532241983 is a prime.

Together with 15532242241, 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 (15532242259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7766121119 + 7766121120.

It is an arithmetic number, because the mean of its divisors is an integer number (7766121120).

Almost surely, 2^15532242239 is an apocalyptic number.

15532242239 is a deficient number, since it is larger than the sum of its proper divisors (1).

15532242239 is an equidigital number, since it uses as much as digits as its factorization.

15532242239 is an evil number, because the sum of its binary digits is even.

The product of its digits is 129600, while the sum is 38.

The spelling of 15532242239 in words is "fifteen billion, five hundred thirty-two million, two hundred forty-two thousand, two hundred thirty-nine".