18828696269 has 4 divisors (see below), whose sum is σ = 19436073600. Its totient is φ = 18221318940.

The previous prime is 18828696253. The next prime is 18828696301. The reversal of 18828696269 is 96269682881.

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 18828696269 - 2⁴ = 18828696253 is a prime.

It is a super-2 number, since 2×18828696269² (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 (18828696169) 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, 303688619 + ... + 303688680.

It is an arithmetic number, because the mean of its divisors is an integer number (4859018400).

Almost surely, 2^18828696269 is an apocalyptic number.

It is an amenable number.

18828696269 is a deficient number, since it is larger than the sum of its proper divisors (607377331).

18828696269 is an equidigital number, since it uses as much as digits as its factorization.

18828696269 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 607377330.

The product of its digits is 35831808, while the sum is 65.

The spelling of 18828696269 in words is "eighteen billion, eight hundred twenty-eight million, six hundred ninety-six thousand, two hundred sixty-nine".