18429598504 has 8 divisors (see below), whose sum is σ = 34555497210. Its totient is φ = 9214799248.

The previous prime is 18429598489. The next prime is 18429598507. The reversal of 18429598504 is 40589592481.

It can be written as a sum of positive squares in only one way, i.e., 17956536004 + 473062500 = 134002^2 + 21750^2 .

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

It is not an unprimeable number, because it can be changed into a prime (18429598507) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1151849899 + ... + 1151849914.

Almost surely, 2^18429598504 is an apocalyptic number.

It is an amenable number.

18429598504 is a deficient number, since it is larger than the sum of its proper divisors (16125898706).

18429598504 is a wasteful number, since it uses less digits than its factorization.

18429598504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2303699819 (or 2303699815 counting only the distinct ones).

The product of its (nonzero) digits is 4147200, while the sum is 55.

The spelling of 18429598504 in words is "eighteen billion, four hundred twenty-nine million, five hundred ninety-eight thousand, five hundred four".