18683422954 has 24 divisors (see below), whose sum is σ = 32605395588. Its totient is φ = 8006019840.

The previous prime is 18683422937. The next prime is 18683422981. The reversal of 18683422954 is 45922438681.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 14987390929 + 3696032025 = 122423^2 + 60795^2 .

It is a super-2 number, since 2×18683422954² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1275834 + ... + 1290394.

Almost surely, 2^18683422954 is an apocalyptic number.

18683422954 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

18683422954 is a deficient number, since it is larger than the sum of its proper divisors (13921972634).

18683422954 is a wasteful number, since it uses less digits than its factorization.

18683422954 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27670 (or 27663 counting only the distinct ones).

The product of its digits is 3317760, while the sum is 52.

The spelling of 18683422954 in words is "eighteen billion, six hundred eighty-three million, four hundred twenty-two thousand, nine hundred fifty-four".