33198989442 has 8 divisors (see below), whose sum is σ = 66397978896. Its totient is φ = 11066329812.

The previous prime is 33198989413. The next prime is 33198989443. The reversal of 33198989442 is 24498989133.

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

33198989442 is an admirable number.

It is a super-2 number, since 2×33198989442² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (33198989443) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2766582448 + ... + 2766582459.

It is an arithmetic number, because the mean of its divisors is an integer number (8299747362).

Almost surely, 2^33198989442 is an apocalyptic number.

33198989442 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

33198989442 is a wasteful number, since it uses less digits than its factorization.

33198989442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5533164912.

The product of its digits is 13436928, while the sum is 60.

The spelling of 33198989442 in words is "thirty-three billion, one hundred ninety-eight million, nine hundred eighty-nine thousand, four hundred forty-two".