15363000813 has 4 divisors (see below), whose sum is σ = 20484001088. Its totient is φ = 10242000540.

The previous prime is 15363000721. The next prime is 15363000833. The reversal of 15363000813 is 31800036351.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 15363000813 - 2²⁸ = 15094565357 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15363000833) 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, 2560500133 + ... + 2560500138.

It is an arithmetic number, because the mean of its divisors is an integer number (5121000272).

Almost surely, 2^15363000813 is an apocalyptic number.

It is an amenable number.

15363000813 is a deficient number, since it is larger than the sum of its proper divisors (5121000275).

15363000813 is an equidigital number, since it uses as much as digits as its factorization.

15363000813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5121000274.

The product of its (nonzero) digits is 6480, while the sum is 30.

The spelling of 15363000813 in words is "fifteen billion, three hundred sixty-three million, eight hundred thirteen", and thus it is an aban number.