198573069 has 4 divisors (see below), whose sum is σ = 264764096. Its totient is φ = 132382044.

The previous prime is 198573031. The next prime is 198573071. The reversal of 198573069 is 960375891.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 198573069 - 2²⁰ = 197524493 is a prime.

It is a super-2 number, since 2×198573069² = 78862527464157522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (198573079) 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 in 3 ways as a sum of consecutive naturals, for example, 33095509 + ... + 33095514.

It is an arithmetic number, because the mean of its divisors is an integer number (66191024).

Almost surely, 2^198573069 is an apocalyptic number.

It is an amenable number.

198573069 is a deficient number, since it is larger than the sum of its proper divisors (66191027).

198573069 is an equidigital number, since it uses as much as digits as its factorization.

198573069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66191026.

The product of its (nonzero) digits is 408240, while the sum is 48.

The square root of 198573069 is about 14091.5956867915. The cubic root of 198573069 is about 583.4094363476.

The spelling of 198573069 in words is "one hundred ninety-eight million, five hundred seventy-three thousand, sixty-nine".