13864460893 has 4 divisors (see below), whose sum is σ = 13870345500. Its totient is φ = 13858576288.

The previous prime is 13864460879. The next prime is 13864460921. The reversal of 13864460893 is 39806446831.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5888720644 + 7975740249 = 76738^2 + 89307^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13864460893 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13864460893.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13864460293) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2938768 + ... + 2943481.

It is an arithmetic number, because the mean of its divisors is an integer number (3467586375).

Almost surely, 2^13864460893 is an apocalyptic number.

It is an amenable number.

13864460893 is a deficient number, since it is larger than the sum of its proper divisors (5884607).

13864460893 is an equidigital number, since it uses as much as digits as its factorization.

13864460893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5884606.

The product of its (nonzero) digits is 2985984, while the sum is 52.

The spelling of 13864460893 in words is "thirteen billion, eight hundred sixty-four million, four hundred sixty thousand, eight hundred ninety-three".