33198664042 has 4 divisors (see below), whose sum is σ = 49797996066. Its totient is φ = 16599332020.

The previous prime is 33198664021. The next prime is 33198664043. The reversal of 33198664042 is 24046689133.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 27007964281 + 6190699761 = 164341^2 + 78681^2 .

It is a super-2 number, since 2×33198664042² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 33198663983 and 33198664001.

It is not an unprimeable number, because it can be changed into a prime (33198664043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8299666009 + ... + 8299666012.

Almost surely, 2^33198664042 is an apocalyptic number.

33198664042 is a deficient number, since it is larger than the sum of its proper divisors (16599332024).

33198664042 is a wasteful number, since it uses less digits than its factorization.

33198664042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16599332023.

The product of its (nonzero) digits is 746496, while the sum is 46.

The spelling of 33198664042 in words is "thirty-three billion, one hundred ninety-eight million, six hundred sixty-four thousand, forty-two".