33868438725 has 48 divisors (see below), whose sum is σ = 61116606144. Its totient is φ = 16412928000.

The previous prime is 33868438693. The next prime is 33868438739. The reversal of 33868438725 is 52783486833.

It is not a de Polignac number, because 33868438725 - 2⁵ = 33868438693 is a prime.

It is a super-2 number, since 2×33868438725² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1866195 + ... + 1884255.

It is an arithmetic number, because the mean of its divisors is an integer number (1273262628).

Almost surely, 2^33868438725 is an apocalyptic number.

It is an amenable number.

33868438725 is a deficient number, since it is larger than the sum of its proper divisors (27248167419).

33868438725 is a wasteful number, since it uses less digits than its factorization.

33868438725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20358 (or 20353 counting only the distinct ones).

The product of its digits is 23224320, while the sum is 57.

The spelling of 33868438725 in words is "thirty-three billion, eight hundred sixty-eight million, four hundred thirty-eight thousand, seven hundred twenty-five".