198489732002 has 4 divisors (see below), whose sum is σ = 297734598006. Its totient is φ = 99244866000.

The previous prime is 198489731959. The next prime is 198489732017. The reversal of 198489732002 is 200237984891.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 200237984891 = 7 ⋅28605426413.

It can be written as a sum of positive squares in only one way, i.e., 191485883281 + 7003848721 = 437591^2 + 83689^2 .

It is a super-3 number, since 3×198489732002³ (a number of 35 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49622432999 + ... + 49622433002.

Almost surely, 2^198489732002 is an apocalyptic number.

198489732002 is a deficient number, since it is larger than the sum of its proper divisors (99244866004).

198489732002 is an equidigital number, since it uses as much as digits as its factorization.

198489732002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99244866003.

The product of its (nonzero) digits is 1741824, while the sum is 53.

The spelling of 198489732002 in words is "one hundred ninety-eight billion, four hundred eighty-nine million, seven hundred thirty-two thousand, two".