33394375157 has 12 divisors (see below), whose sum is σ = 39448118304. Its totient is φ = 28023250320.

The previous prime is 33394375109. The next prime is 33394375163. The reversal of 33394375157 is 75157349333.

It is not a de Polignac number, because 33394375157 - 2¹⁶ = 33394309621 is a prime.

It is a super-3 number, since 3×33394375157³ (a number of 33 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33394375177) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8979953 + ... + 8983670.

It is an arithmetic number, because the mean of its divisors is an integer number (3287343192).

Almost surely, 2^33394375157 is an apocalyptic number.

It is an amenable number.

33394375157 is a deficient number, since it is larger than the sum of its proper divisors (6053743147).

33394375157 is a wasteful number, since it uses less digits than its factorization.

33394375157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17963660 (or 17963647 counting only the distinct ones).

The product of its digits is 3572100, while the sum is 50.

The spelling of 33394375157 in words is "thirty-three billion, three hundred ninety-four million, three hundred seventy-five thousand, one hundred fifty-seven".