13143565744 has 10 divisors (see below), whose sum is σ = 25465658660. Its totient is φ = 6571782864.

The previous prime is 13143565709. The next prime is 13143565781. The reversal of 13143565744 is 44756534131.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 13143565744.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 410736414 + ... + 410736445.

It is an arithmetic number, because the mean of its divisors is an integer number (2546565866).

Almost surely, 2^13143565744 is an apocalyptic number.

It is an amenable number.

13143565744 is a deficient number, since it is larger than the sum of its proper divisors (12322092916).

13143565744 is an equidigital number, since it uses as much as digits as its factorization.

13143565744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 821472867 (or 821472861 counting only the distinct ones).

The product of its digits is 604800, while the sum is 43.

The spelling of 13143565744 in words is "thirteen billion, one hundred forty-three million, five hundred sixty-five thousand, seven hundred forty-four".