33139441694 has 4 divisors (see below), whose sum is σ = 49709162544. Its totient is φ = 16569720846.

The previous prime is 33139441681. The next prime is 33139441697. The reversal of 33139441694 is 49614493133.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33139441697) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8284860422 + ... + 8284860425.

It is an arithmetic number, because the mean of its divisors is an integer number (12427290636).

Almost surely, 2^33139441694 is an apocalyptic number.

33139441694 is a deficient number, since it is larger than the sum of its proper divisors (16569720850).

33139441694 is a wasteful number, since it uses less digits than its factorization.

33139441694 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16569720849.

The product of its digits is 839808, while the sum is 47.

The spelling of 33139441694 in words is "thirty-three billion, one hundred thirty-nine million, four hundred forty-one thousand, six hundred ninety-four".