33275376138 has 8 divisors (see below), whose sum is σ = 66550752288. Its totient is φ = 11091792044.

The previous prime is 33275376137. The next prime is 33275376149. The reversal of 33275376138 is 83167357233.

It is a sphenic number, since it is the product of 3 distinct primes.

33275376138 is an admirable number.

It is a super-2 number, since 2×33275376138² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (33275376133) 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, 2772948006 + ... + 2772948017.

It is an arithmetic number, because the mean of its divisors is an integer number (8318844036).

Almost surely, 2^33275376138 is an apocalyptic number.

33275376138 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

33275376138 is a wasteful number, since it uses less digits than its factorization.

33275376138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5545896028.

The product of its digits is 1905120, while the sum is 48.

The spelling of 33275376138 in words is "thirty-three billion, two hundred seventy-five million, three hundred seventy-six thousand, one hundred thirty-eight".