33091333930 has 16 divisors (see below), whose sum is σ = 59636266920. Its totient is φ = 13220563392.

The previous prime is 33091333883. The next prime is 33091333967. The reversal of 33091333930 is 3933319033.

It can be written as a sum of positive squares in 4 ways, for example, as 16075957681 + 17015376249 = 126791^2 + 130443^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 33091333930.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1987569 + ... + 2004148.

Almost surely, 2^33091333930 is an apocalyptic number.

33091333930 is a deficient number, since it is larger than the sum of its proper divisors (26544932990).

33091333930 is a wasteful number, since it uses less digits than its factorization.

33091333930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3992553.

The product of its (nonzero) digits is 59049, while the sum is 37.

The spelling of 33091333930 in words is "thirty-three billion, ninety-one million, three hundred thirty-three thousand, nine hundred thirty".