13825778793 has 4 divisors (see below), whose sum is σ = 18434371728. Its totient is φ = 9217185860.

The previous prime is 13825778783. The next prime is 13825778801. The reversal of 13825778793 is 39787752831.

It is a happy number.

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 a cyclic number.

It is not a de Polignac number, because 13825778793 - 2⁵ = 13825778761 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13825778713) 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, 2304296463 + ... + 2304296468.

It is an arithmetic number, because the mean of its divisors is an integer number (4608592932).

Almost surely, 2^13825778793 is an apocalyptic number.

It is an amenable number.

13825778793 is a deficient number, since it is larger than the sum of its proper divisors (4608592935).

13825778793 is an equidigital number, since it uses as much as digits as its factorization.

13825778793 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4608592934.

The product of its digits is 17781120, while the sum is 60.

The spelling of 13825778793 in words is "thirteen billion, eight hundred twenty-five million, seven hundred seventy-eight thousand, seven hundred ninety-three".