239794964239 has 4 divisors (see below), whose sum is σ = 243373993624. Its totient is φ = 236215934856.

The previous prime is 239794964221. The next prime is 239794964257. The reversal of 239794964239 is 932469497932.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (239794964221) and next prime (239794964257).

It is not a de Polignac number, because 239794964239 - 2²³ = 239786575631 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (67), and also a Moran number because the ratio is a prime number: 3579029317 = 239794964239 / (2 + 3 + 9 + 7 + 9 + 4 + 9 + 6 + 4 + 2 + 3 + 9).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (239794964209) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1789514592 + ... + 1789514725.

It is an arithmetic number, because the mean of its divisors is an integer number (60843498406).

Almost surely, 2^239794964239 is an apocalyptic number.

239794964239 is a deficient number, since it is larger than the sum of its proper divisors (3579029385).

239794964239 is an equidigital number, since it uses as much as digits as its factorization.

239794964239 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3579029384.

The product of its digits is 158723712, while the sum is 67.

The spelling of 239794964239 in words is "two hundred thirty-nine billion, seven hundred ninety-four million, nine hundred sixty-four thousand, two hundred thirty-nine".