19293386113 has 4 divisors (see below), whose sum is σ = 19763956548. Its totient is φ = 18822815680.

The previous prime is 19293386093. The next prime is 19293386117. The reversal of 19293386113 is 31168339291.

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 9671345649 + 9622040464 = 98343^2 + 98092^2 .

It is a cyclic number.

It is not a de Polignac number, because 19293386113 - 2⁵ = 19293386081 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (19293386117) 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, 235285156 + ... + 235285237.

It is an arithmetic number, because the mean of its divisors is an integer number (4940989137).

Almost surely, 2^19293386113 is an apocalyptic number.

It is an amenable number.

19293386113 is a deficient number, since it is larger than the sum of its proper divisors (470570435).

19293386113 is an equidigital number, since it uses as much as digits as its factorization.

19293386113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 470570434.

The product of its digits is 209952, while the sum is 46.

The spelling of 19293386113 in words is "nineteen billion, two hundred ninety-three million, three hundred eighty-six thousand, one hundred thirteen".