18825283868 has 6 divisors (see below), whose sum is σ = 32944246776. Its totient is φ = 9412641932.

The previous prime is 18825283859. The next prime is 18825283877. The reversal of 18825283868 is 86838252881.

It is an interprime number because it is at equal distance from previous prime (18825283859) and next prime (18825283877).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2353160480 + ... + 2353160487.

It is an arithmetic number, because the mean of its divisors is an integer number (5490707796).

Almost surely, 2^18825283868 is an apocalyptic number.

It is an amenable number.

18825283868 is a deficient number, since it is larger than the sum of its proper divisors (14118962908).

18825283868 is a wasteful number, since it uses less digits than its factorization.

18825283868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4706320971 (or 4706320969 counting only the distinct ones).

The product of its digits is 11796480, while the sum is 59.

The spelling of 18825283868 in words is "eighteen billion, eight hundred twenty-five million, two hundred eighty-three thousand, eight hundred sixty-eight".