13444106768 has 20 divisors (see below), whose sum is σ = 26305860588. Its totient is φ = 6655497600.

The previous prime is 13444106747. The next prime is 13444106777. The reversal of 13444106768 is 86760144431.

It can be written as a sum of positive squares in 2 ways, for example, as 11158119424 + 2285987344 = 105632^2 + 47812^2 .

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4158071 + ... + 4161302.

Almost surely, 2^13444106768 is an apocalyptic number.

It is an amenable number.

13444106768 is a deficient number, since it is larger than the sum of its proper divisors (12861753820).

13444106768 is a wasteful number, since it uses less digits than its factorization.

13444106768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8319482 (or 8319476 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 44.

The spelling of 13444106768 in words is "thirteen billion, four hundred forty-four million, one hundred six thousand, seven hundred sixty-eight".