15136450793 has 4 divisors (see below), whose sum is σ = 15343799508. Its totient is φ = 14929102080.

The previous prime is 15136450787. The next prime is 15136450829. The reversal of 15136450793 is 39705463151.

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 6588893584 + 8547557209 = 81172^2 + 92453^2 .

It is a cyclic number.

It is not a de Polignac number, because 15136450793 - 2²⁴ = 15119673577 is a prime.

It is a super-2 number, since 2×15136450793² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (15136450753) 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, 103674248 + ... + 103674393.

It is an arithmetic number, because the mean of its divisors is an integer number (3835949877).

Almost surely, 2^15136450793 is an apocalyptic number.

It is an amenable number.

15136450793 is a deficient number, since it is larger than the sum of its proper divisors (207348715).

15136450793 is an equidigital number, since it uses as much as digits as its factorization.

15136450793 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207348714.

The product of its (nonzero) digits is 340200, while the sum is 44.

The spelling of 15136450793 in words is "fifteen billion, one hundred thirty-six million, four hundred fifty thousand, seven hundred ninety-three".