33394609394 has 4 divisors (see below), whose sum is σ = 50091914094. Its totient is φ = 16697304696.

The previous prime is 33394609387. The next prime is 33394609433. The reversal of 33394609394 is 49390649333.

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., 30271476169 + 3123133225 = 173987^2 + 55885^2 .

It is a super-2 number, since 2×33394609394² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8348652347 + ... + 8348652350.

Almost surely, 2^33394609394 is an apocalyptic number.

33394609394 is a deficient number, since it is larger than the sum of its proper divisors (16697304700).

33394609394 is a wasteful number, since it uses less digits than its factorization.

33394609394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16697304699.

The product of its (nonzero) digits is 5668704, while the sum is 53.

The spelling of 33394609394 in words is "thirty-three billion, three hundred ninety-four million, six hundred nine thousand, three hundred ninety-four".