18098589902 has 8 divisors (see below), whose sum is σ = 27810028512. Its totient is φ = 8828580400.

The previous prime is 18098589863. The next prime is 18098589919. The reversal of 18098589902 is 20998589081.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 110357174 + ... + 110357337.

It is an arithmetic number, because the mean of its divisors is an integer number (3476253564).

Almost surely, 2^18098589902 is an apocalyptic number.

18098589902 is a deficient number, since it is larger than the sum of its proper divisors (9711438610).

18098589902 is a wasteful number, since it uses less digits than its factorization.

18098589902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220714554.

The product of its (nonzero) digits is 3732480, while the sum is 59.

Adding to 18098589902 its sum of digits (59), we get a square (18098589961 = 134531²).

The spelling of 18098589902 in words is "eighteen billion, ninety-eight million, five hundred eighty-nine thousand, nine hundred two".