33009893474 has 16 divisors (see below), whose sum is σ = 49660241400. Its totient is φ = 16456520064.

The previous prime is 33009893443. The next prime is 33009893479. The reversal of 33009893474 is 47439890033.

It can be written as a sum of positive squares in 4 ways, for example, as 31526488249 + 1483405225 = 177557^2 + 38515^2 .

It is not an unprimeable number, because it can be changed into a prime (33009893479) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1880024 + ... + 1897500.

Almost surely, 2^33009893474 is an apocalyptic number.

33009893474 is a deficient number, since it is larger than the sum of its proper divisors (16650347926).

33009893474 is a wasteful number, since it uses less digits than its factorization.

33009893474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20197.

The product of its (nonzero) digits is 1959552, while the sum is 50.

The spelling of 33009893474 in words is "thirty-three billion, nine million, eight hundred ninety-three thousand, four hundred seventy-four".