13239442766 has 16 divisors (see below), whose sum is σ = 21674988720. Its totient is φ = 6015026880.

The previous prime is 13239442759. The next prime is 13239442789. The reversal of 13239442766 is 66724493231.

13239442766 is digitally balanced in base 2 and base 5, because in such bases it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 13239442766.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 98081 + ... + 189996.

It is an arithmetic number, because the mean of its divisors is an integer number (1354686795).

Almost surely, 2^13239442766 is an apocalyptic number.

13239442766 is a deficient number, since it is larger than the sum of its proper divisors (8435545954).

13239442766 is a wasteful number, since it uses less digits than its factorization.

13239442766 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 290179.

The product of its digits is 1306368, while the sum is 47.

The spelling of 13239442766 in words is "thirteen billion, two hundred thirty-nine million, four hundred forty-two thousand, seven hundred sixty-six".