231479799439 has 16 divisors (see below), whose sum is σ = 266488488000. Its totient is φ = 196958571264.

The previous prime is 231479799427. The next prime is 231479799451. The reversal of 231479799439 is 934997974132.

It is an interprime number because it is at equal distance from previous prime (231479799427) and next prime (231479799451).

It is not a de Polignac number, because 231479799439 - 2³⁷ = 94040845967 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231479799409) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1052457 + ... + 1253245.

It is an arithmetic number, because the mean of its divisors is an integer number (16655530500).

Almost surely, 2^231479799439 is an apocalyptic number.

231479799439 is a deficient number, since it is larger than the sum of its proper divisors (35008688561).

231479799439 is a wasteful number, since it uses less digits than its factorization.

231479799439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202002.

The product of its digits is 92588832, while the sum is 67.

The spelling of 231479799439 in words is "two hundred thirty-one billion, four hundred seventy-nine million, seven hundred ninety-nine thousand, four hundred thirty-nine".