13239263843 has 16 divisors (see below), whose sum is σ = 14613794496. Its totient is φ = 11918375040.

The previous prime is 13239263809. The next prime is 13239263857. The reversal of 13239263843 is 34836293231.

It is a Cunningham number, because it is equal to 115062²-1.

It is not a de Polignac number, because 13239263843 - 2¹⁴ = 13239247459 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13239263794 and 13239263803.

It is not an unprimeable number, because it can be changed into a prime (13239263803) 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, 57533 + ... + 172593.

It is an arithmetic number, because the mean of its divisors is an integer number (913362156).

Almost surely, 2^13239263843 is an apocalyptic number.

13239263843 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

13239263843 is a deficient number, since it is larger than the sum of its proper divisors (1374530653).

13239263843 is a wasteful number, since it uses less digits than its factorization.

13239263843 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115294.

The product of its digits is 559872, while the sum is 44.

The spelling of 13239263843 in words is "thirteen billion, two hundred thirty-nine million, two hundred sixty-three thousand, eight hundred forty-three".