33668965739 has 8 divisors (see below), whose sum is σ = 35694388608. Its totient is φ = 31702250880.

The previous prime is 33668965709. The next prime is 33668965741. The reversal of 33668965739 is 93756986633.

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 33668965739 - 2²⁰ = 33667917163 is a prime.

It is a super-2 number, since 2×33668965739² (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 (33668965709) 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, 14675822 + ... + 14678115.

It is an arithmetic number, because the mean of its divisors is an integer number (4461798576).

Almost surely, 2^33668965739 is an apocalyptic number.

33668965739 is a deficient number, since it is larger than the sum of its proper divisors (2025422869).

33668965739 is a wasteful number, since it uses less digits than its factorization.

33668965739 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29354005.

The product of its digits is 132269760, while the sum is 65.

The spelling of 33668965739 in words is "thirty-three billion, six hundred sixty-eight million, nine hundred sixty-five thousand, seven hundred thirty-nine".