33712299868 has 24 divisors (see below), whose sum is σ = 66878653520. Its totient is φ = 14740600320.

The previous prime is 33712299857. The next prime is 33712299869. The reversal of 33712299868 is 86899221733.

It is a super-2 number, since 2×33712299868² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33712299869) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17059893 + ... + 17061868.

Almost surely, 2^33712299868 is an apocalyptic number.

33712299868 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

It is an amenable number.

33712299868 is a deficient number, since it is larger than the sum of its proper divisors (33166353652).

33712299868 is a wasteful number, since it uses less digits than its factorization.

33712299868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34121797 (or 34121795 counting only the distinct ones).

The product of its digits is 7838208, while the sum is 58.

The spelling of 33712299868 in words is "thirty-three billion, seven hundred twelve million, two hundred ninety-nine thousand, eight hundred sixty-eight".