18812445829 has 8 divisors (see below), whose sum is σ = 18852203552. Its totient is φ = 18772722000.

The previous prime is 18812445809. The next prime is 18812445833. The reversal of 18812445829 is 92854421881.

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 18812445829 - 2²⁹ = 18275574917 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18812445809) 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, 1312954 + ... + 1327204.

It is an arithmetic number, because the mean of its divisors is an integer number (2356525444).

Almost surely, 2^18812445829 is an apocalyptic number.

It is an amenable number.

18812445829 is a deficient number, since it is larger than the sum of its proper divisors (39757723).

18812445829 is a wasteful number, since it uses less digits than its factorization.

18812445829 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16947.

The product of its digits is 1474560, while the sum is 52.

The spelling of 18812445829 in words is "eighteen billion, eight hundred twelve million, four hundred forty-five thousand, eight hundred twenty-nine".