13143764864 has 32 divisors (see below), whose sum is σ = 26297285040. Its totient is φ = 6543662080.

The previous prime is 13143764861. The next prime is 13143764869. The reversal of 13143764864 is 46846734131.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13143764861) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 190532 + ... + 250179.

Almost surely, 2^13143764864 is an apocalyptic number.

It is an amenable number.

13143764864 is an abundant number, since it is smaller than the sum of its proper divisors (13153520176).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13143764864 is an equidigital number, since it uses as much as digits as its factorization.

13143764864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 440958 (or 440946 counting only the distinct ones).

The product of its digits is 1161216, while the sum is 47.

The spelling of 13143764864 in words is "thirteen billion, one hundred forty-three million, seven hundred sixty-four thousand, eight hundred sixty-four".