33494393139 has 4 divisors (see below), whose sum is σ = 44659190856. Its totient is φ = 22329595424.

The previous prime is 33494393137. The next prime is 33494393171. The reversal of 33494393139 is 93139349433.

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

It is a cyclic number.

It is not a de Polignac number, because 33494393139 - 2¹ = 33494393137 is a prime.

It is a super-2 number, since 2×33494393139² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 33494393091 and 33494393100.

It is not an unprimeable number, because it can be changed into a prime (33494393137) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5582398854 + ... + 5582398859.

It is an arithmetic number, because the mean of its divisors is an integer number (11164797714).

Almost surely, 2^33494393139 is an apocalyptic number.

33494393139 is a deficient number, since it is larger than the sum of its proper divisors (11164797717).

33494393139 is a wasteful number, since it uses less digits than its factorization.

33494393139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11164797716.

The product of its digits is 2834352, while the sum is 51.

The spelling of 33494393139 in words is "thirty-three billion, four hundred ninety-four million, three hundred ninety-three thousand, one hundred thirty-nine".