18429252813 has 8 divisors (see below), whose sum is σ = 27302596800. Its totient is φ = 12286168524.

The previous prime is 18429252763. The next prime is 18429252817. The reversal of 18429252813 is 31825292481.

18429252813 is a `hidden beast` number, since 1 + 84 + 292 + 5 + 281 + 3 = 666.

It is not a de Polignac number, because 18429252813 - 2²⁵ = 18395698381 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18429252817) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 341282433 + ... + 341282486.

It is an arithmetic number, because the mean of its divisors is an integer number (3412824600).

Almost surely, 2^18429252813 is an apocalyptic number.

It is an amenable number.

18429252813 is a deficient number, since it is larger than the sum of its proper divisors (8873343987).

18429252813 is an equidigital number, since it uses as much as digits as its factorization.

18429252813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 682564928 (or 682564922 counting only the distinct ones).

The product of its digits is 276480, while the sum is 45.

The spelling of 18429252813 in words is "eighteen billion, four hundred twenty-nine million, two hundred fifty-two thousand, eight hundred thirteen".