18579432952 has 8 divisors (see below), whose sum is σ = 34836436800. Its totient is φ = 9289716472.

The previous prime is 18579432943. The next prime is 18579432973. The reversal of 18579432952 is 25923497581.

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 18579432893 and 18579432902.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1161214552 + ... + 1161214567.

It is an arithmetic number, because the mean of its divisors is an integer number (4354554600).

Almost surely, 2^18579432952 is an apocalyptic number.

It is an amenable number.

18579432952 is a deficient number, since it is larger than the sum of its proper divisors (16257003848).

18579432952 is a wasteful number, since it uses less digits than its factorization.

18579432952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2322429125 (or 2322429121 counting only the distinct ones).

The product of its digits is 5443200, while the sum is 55.

The spelling of 18579432952 in words is "eighteen billion, five hundred seventy-nine million, four hundred thirty-two thousand, nine hundred fifty-two".