33675138813 has 12 divisors (see below), whose sum is σ = 47387731488. Its totient is φ = 21268508040.

The previous prime is 33675138803. The next prime is 33675138817. The reversal of 33675138813 is 31883157633.

It is not a de Polignac number, because 33675138813 - 2²⁸ = 33406703357 is a prime.

It is a super-2 number, since 2×33675138813² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33675138817) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15546073 + ... + 15548238.

It is an arithmetic number, because the mean of its divisors is an integer number (3948977624).

Almost surely, 2^33675138813 is an apocalyptic number.

It is an amenable number.

33675138813 is a deficient number, since it is larger than the sum of its proper divisors (13712592675).

33675138813 is a wasteful number, since it uses less digits than its factorization.

33675138813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31094352 (or 31094333 counting only the distinct ones).

The product of its digits is 1088640, while the sum is 48.

The spelling of 33675138813 in words is "thirty-three billion, six hundred seventy-five million, one hundred thirty-eight thousand, eight hundred thirteen".