33688382338 has 16 divisors (see below), whose sum is σ = 54423122040. Its totient is φ = 15547504896.

The previous prime is 33688382327. The next prime is 33688382363. The reversal of 33688382338 is 83328388633.

It can be written as a sum of positive squares in 4 ways, for example, as 28843247889 + 4845134449 = 169833^2 + 69607^2 .

It is a super-2 number, since 2×33688382338² (a number of 22 digits) contains 22 as substring.

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, 531306 + ... + 591322.

Almost surely, 2^33688382338 is an apocalyptic number.

33688382338 is a deficient number, since it is larger than the sum of its proper divisors (20734739702).

33688382338 is a wasteful number, since it uses less digits than its factorization.

33688382338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81621.

The product of its digits is 11943936, while the sum is 55.

The spelling of 33688382338 in words is "thirty-three billion, six hundred eighty-eight million, three hundred eighty-two thousand, three hundred thirty-eight".