13344777459 has 80 divisors (see below), whose sum is σ = 21801780000. Its totient is φ = 8085671424.

The previous prime is 13344777451. The next prime is 13344777493. The reversal of 13344777459 is 95477744331.

It is a happy number.

It is not a de Polignac number, because 13344777459 - 2³ = 13344777451 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13344777451) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 26742792 + ... + 26743290.

It is an arithmetic number, because the mean of its divisors is an integer number (272522250).

Almost surely, 2^13344777459 is an apocalyptic number.

13344777459 is a deficient number, since it is larger than the sum of its proper divisors (8457002541).

13344777459 is a wasteful number, since it uses less digits than its factorization.

13344777459 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 866 (or 857 counting only the distinct ones).

The product of its digits is 8890560, while the sum is 54.

The spelling of 13344777459 in words is "thirteen billion, three hundred forty-four million, seven hundred seventy-seven thousand, four hundred fifty-nine".