13239224641 has 4 divisors (see below), whose sum is σ = 13239926784. Its totient is φ = 13238522500.

The previous prime is 13239224639. The next prime is 13239224659. The reversal of 13239224641 is 14642293231.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 13239224641 - 2¹ = 13239224639 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13239224641.

It is not an unprimeable number, because it can be changed into a prime (13239234641) 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, 321985 + ... + 360766.

It is an arithmetic number, because the mean of its divisors is an integer number (3309981696).

Almost surely, 2^13239224641 is an apocalyptic number.

It is an amenable number.

13239224641 is a deficient number, since it is larger than the sum of its proper divisors (702143).

13239224641 is an equidigital number, since it uses as much as digits as its factorization.

13239224641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 702142.

The product of its digits is 62208, while the sum is 37.

The spelling of 13239224641 in words is "thirteen billion, two hundred thirty-nine million, two hundred twenty-four thousand, six hundred forty-one".