11733889919 has 4 divisors (see below), whose sum is σ = 11734658496. Its totient is φ = 11733121344.

The previous prime is 11733889879. The next prime is 11733889997. The reversal of 11733889919 is 91998833711.

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

It is a cyclic number.

It is not a de Polignac number, because 11733889919 - 2⁸ = 11733889663 is a prime.

It is a super-2 number, since 2×11733889919² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11733889619) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 360914 + ... + 392079.

It is an arithmetic number, because the mean of its divisors is an integer number (2933664624).

Almost surely, 2^11733889919 is an apocalyptic number.

11733889919 is a deficient number, since it is larger than the sum of its proper divisors (768577).

11733889919 is an equidigital number, since it uses as much as digits as its factorization.

11733889919 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 768576.

The product of its digits is 2939328, while the sum is 59.

The spelling of 11733889919 in words is "eleven billion, seven hundred thirty-three million, eight hundred eighty-nine thousand, nine hundred nineteen".