33873055138 has 32 divisors (see below), whose sum is σ = 57065541120. Its totient is φ = 14973396480.

The previous prime is 33873055133. The next prime is 33873055141. The reversal of 33873055138 is 83155037833.

It is a super-2 number, since 2×33873055138² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (33873055133) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 138448 + ... + 294811.

It is an arithmetic number, because the mean of its divisors is an integer number (1783298160).

Almost surely, 2^33873055138 is an apocalyptic number.

33873055138 is a deficient number, since it is larger than the sum of its proper divisors (23192485982).

33873055138 is a wasteful number, since it uses less digits than its factorization.

33873055138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 433402.

The product of its (nonzero) digits is 907200, while the sum is 46.

The spelling of 33873055138 in words is "thirty-three billion, eight hundred seventy-three million, fifty-five thousand, one hundred thirty-eight".