33530034138 has 16 divisors (see below), whose sum is σ = 67297033056. Its totient is φ = 11137183920.

The previous prime is 33530034137. The next prime is 33530034149. The reversal of 33530034138 is 83143003533.

It is a super-2 number, since 2×33530034138² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 33530034099 and 33530034108.

It is not an unprimeable number, because it can be changed into a prime (33530034137) 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 7 ways as a sum of consecutive naturals, for example, 9871693 + ... + 9875088.

It is an arithmetic number, because the mean of its divisors is an integer number (4206064566).

Almost surely, 2^33530034138 is an apocalyptic number.

33530034138 is an abundant number, since it is smaller than the sum of its proper divisors (33766998918).

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

33530034138 is a wasteful number, since it uses less digits than its factorization.

33530034138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19747069.

The product of its (nonzero) digits is 38880, while the sum is 33.

The spelling of 33530034138 in words is "thirty-three billion, five hundred thirty million, thirty-four thousand, one hundred thirty-eight".