33939091994 has 4 divisors (see below), whose sum is σ = 50908637994. Its totient is φ = 16969545996.

The previous prime is 33939091969. The next prime is 33939091997. The reversal of 33939091994 is 49919093933.

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., 33329248969 + 609843025 = 182563^2 + 24695^2 .

It is not an unprimeable number, because it can be changed into a prime (33939091997) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8484772997 + ... + 8484773000.

Almost surely, 2^33939091994 is an apocalyptic number.

33939091994 is a deficient number, since it is larger than the sum of its proper divisors (16969546000).

33939091994 is a wasteful number, since it uses less digits than its factorization.

33939091994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16969545999.

The product of its (nonzero) digits is 6377292, while the sum is 59.

The spelling of 33939091994 in words is "thirty-three billion, nine hundred thirty-nine million, ninety-one thousand, nine hundred ninety-four".