33868470121 has 4 divisors (see below), whose sum is σ = 35651021200. Its totient is φ = 32085919044.

The previous prime is 33868470113. The next prime is 33868470151. The reversal of 33868470121 is 12107486833.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 33868470121 - 2³ = 33868470113 is a prime.

It is a super-2 number, since 2×33868470121² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (33868470151) 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 3 ways as a sum of consecutive naturals, for example, 891275511 + ... + 891275548.

It is an arithmetic number, because the mean of its divisors is an integer number (8912755300).

Almost surely, 2^33868470121 is an apocalyptic number.

It is an amenable number.

33868470121 is a deficient number, since it is larger than the sum of its proper divisors (1782551079).

33868470121 is a wasteful number, since it uses less digits than its factorization.

33868470121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1782551078.

The product of its (nonzero) digits is 193536, while the sum is 43.

The spelling of 33868470121 in words is "thirty-three billion, eight hundred sixty-eight million, four hundred seventy thousand, one hundred twenty-one".