18203018283 has 12 divisors (see below), whose sum is σ = 26294877648. Its totient is φ = 12134593680.

The previous prime is 18203018263. The next prime is 18203018359. The reversal of 18203018283 is 38281030281.

It is not a de Polignac number, because 18203018283 - 2⁶ = 18203018219 is a prime.

It is a super-2 number, since 2×18203018283² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (18203018263) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 118141 + ... + 224417.

It is an arithmetic number, because the mean of its divisors is an integer number (2191239804).

Almost surely, 2^18203018283 is an apocalyptic number.

18203018283 is a deficient number, since it is larger than the sum of its proper divisors (8091859365).

18203018283 is a wasteful number, since it uses less digits than its factorization.

18203018283 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125314 (or 125311 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 36.

The spelling of 18203018283 in words is "eighteen billion, two hundred three million, eighteen thousand, two hundred eighty-three".