18864945235 has 8 divisors (see below), whose sum is σ = 22641549120. Its totient is φ = 15089546304.

The previous prime is 18864945223. The next prime is 18864945263. The reversal of 18864945235 is 53254946881.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 18864945235 - 2⁷ = 18864945107 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 266427 + ... + 329716.

It is an arithmetic number, because the mean of its divisors is an integer number (2830193640).

Almost surely, 2^18864945235 is an apocalyptic number.

18864945235 is a deficient number, since it is larger than the sum of its proper divisors (3776603885).

18864945235 is an equidigital number, since it uses as much as digits as its factorization.

18864945235 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 602477.

The product of its digits is 8294400, while the sum is 55.

The spelling of 18864945235 in words is "eighteen billion, eight hundred sixty-four million, nine hundred forty-five thousand, two hundred thirty-five".