33378250133 has 8 divisors (see below), whose sum is σ = 35155146720. Its totient is φ = 31603368240.

The previous prime is 33378250121. The next prime is 33378250151. The reversal of 33378250133 is 33105287333.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 33378250133 - 2¹⁰ = 33378249109 is a prime.

It is a super-2 number, since 2×33378250133² (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33378250933) 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, 469598 + ... + 535983.

It is an arithmetic number, because the mean of its divisors is an integer number (4394393340).

Almost surely, 2^33378250133 is an apocalyptic number.

It is an amenable number.

33378250133 is a deficient number, since it is larger than the sum of its proper divisors (1776896587).

33378250133 is a wasteful number, since it uses less digits than its factorization.

33378250133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1007347.

The product of its (nonzero) digits is 136080, while the sum is 38.

The spelling of 33378250133 in words is "thirty-three billion, three hundred seventy-eight million, two hundred fifty thousand, one hundred thirty-three".