33555326138 has 8 divisors (see below), whose sum is σ = 53293753332. Its totient is φ = 15790741696.

The previous prime is 33555326137. The next prime is 33555326141. The reversal of 33555326138 is 83162355533.

It can be written as a sum of positive squares in 2 ways, for example, as 32375884489 + 1179441649 = 179933^2 + 34343^2 .

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

It is a super-2 number, since 2×33555326138² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (33555326137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 493460645 + ... + 493460712.

Almost surely, 2^33555326138 is an apocalyptic number.

33555326138 is a deficient number, since it is larger than the sum of its proper divisors (19738427194).

33555326138 is a wasteful number, since it uses less digits than its factorization.

33555326138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 986921376.

The product of its digits is 972000, while the sum is 44.

The spelling of 33555326138 in words is "thirty-three billion, five hundred fifty-five million, three hundred twenty-six thousand, one hundred thirty-eight".