18284740983 has 40 divisors (see below), whose sum is σ = 28989005760. Its totient is φ = 11445788160.

The previous prime is 18284740967. The next prime is 18284741003. The reversal of 18284740983 is 38904748281.

It is a happy number.

18284740983 is a `hidden beast` number, since 1 + 82 + 8 + 474 + 0 + 98 + 3 = 666.

It is not a de Polignac number, because 18284740983 - 2⁴ = 18284740967 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18284740913) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 578083 + ... + 608891.

It is an arithmetic number, because the mean of its divisors is an integer number (724725144).

Almost surely, 2^18284740983 is an apocalyptic number.

18284740983 is a deficient number, since it is larger than the sum of its proper divisors (10704264777).

18284740983 is a wasteful number, since it uses less digits than its factorization.

18284740983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31269 (or 31260 counting only the distinct ones).

The product of its (nonzero) digits is 3096576, while the sum is 54.

The spelling of 18284740983 in words is "eighteen billion, two hundred eighty-four million, seven hundred forty thousand, nine hundred eighty-three".