18579432954 has 16 divisors (see below), whose sum is σ = 37160202240. Its totient is φ = 6192921600.

The previous prime is 18579432943. The next prime is 18579432973. The reversal of 18579432954 is 45923497581.

It is a super-2 number, since 2×18579432954² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 18579432894 and 18579432903.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 293754 + ... + 351354.

It is an arithmetic number, because the mean of its divisors is an integer number (2322512640).

Almost surely, 2^18579432954 is an apocalyptic number.

18579432954 is an abundant number, since it is smaller than the sum of its proper divisors (18580769286).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

18579432954 is a wasteful number, since it uses less digits than its factorization.

18579432954 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111365.

The product of its digits is 10886400, while the sum is 57.

The spelling of 18579432954 in words is "eighteen billion, five hundred seventy-nine million, four hundred thirty-two thousand, nine hundred fifty-four".