18329522852 has 6 divisors (see below), whose sum is σ = 32076664998. Its totient is φ = 9164761424.

The previous prime is 18329522843. The next prime is 18329522863. The reversal of 18329522852 is 25822592381.

It can be written as a sum of positive squares in only one way, i.e., 16987472896 + 1342049956 = 130336^2 + 36634^2 .

It is a junction number, because it is equal to n+sod(n) for n = 18329522797 and 18329522806.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2291190353 + ... + 2291190360.

It is an arithmetic number, because the mean of its divisors is an integer number (5346110833).

Almost surely, 2^18329522852 is an apocalyptic number.

It is an amenable number.

18329522852 is a deficient number, since it is larger than the sum of its proper divisors (13747142146).

18329522852 is a wasteful number, since it uses less digits than its factorization.

18329522852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4582380717 (or 4582380715 counting only the distinct ones).

The product of its digits is 691200, while the sum is 47.

The spelling of 18329522852 in words is "eighteen billion, three hundred twenty-nine million, five hundred twenty-two thousand, eight hundred fifty-two".