33394578794 has 16 divisors (see below), whose sum is σ = 50595753600. Its totient is φ = 16529379600.

The previous prime is 33394578793. The next prime is 33394578799. The reversal of 33394578794 is 49787549333.

It is a super-2 number, since 2×33394578794² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (33394578793) 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, 2295347 + ... + 2309849.

It is an arithmetic number, because the mean of its divisors is an integer number (3162234600).

Almost surely, 2^33394578794 is an apocalyptic number.

33394578794 is a deficient number, since it is larger than the sum of its proper divisors (17201174806).

33394578794 is a wasteful number, since it uses less digits than its factorization.

33394578794 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26005.

The product of its digits is 68584320, while the sum is 62.

The spelling of 33394578794 in words is "thirty-three billion, three hundred ninety-four million, five hundred seventy-eight thousand, seven hundred ninety-four".