33149650018 has 32 divisors (see below), whose sum is σ = 52822261440. Its totient is φ = 15558842880.

The previous prime is 33149650003. The next prime is 33149650031. The reversal of 33149650018 is 81005694133.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2079438 + ... + 2095318.

It is an arithmetic number, because the mean of its divisors is an integer number (1650695670).

Almost surely, 2^33149650018 is an apocalyptic number.

33149650018 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

33149650018 is a deficient number, since it is larger than the sum of its proper divisors (19672611422).

33149650018 is a wasteful number, since it uses less digits than its factorization.

33149650018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16402.

The product of its (nonzero) digits is 77760, while the sum is 40.

The spelling of 33149650018 in words is "thirty-three billion, one hundred forty-nine million, six hundred fifty thousand, eighteen".