33690746689 has 16 divisors (see below), whose sum is σ = 35061586560. Its totient is φ = 32347728000.

The previous prime is 33690746681. The next prime is 33690746699. The reversal of 33690746689 is 98664709633.

It is a cyclic number.

It is not a de Polignac number, because 33690746689 - 2³ = 33690746681 is a prime.

It is a super-2 number, since 2×33690746689² (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 (33690746681) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1652047 + ... + 1672315.

It is an arithmetic number, because the mean of its divisors is an integer number (2191349160).

Almost surely, 2^33690746689 is an apocalyptic number.

It is an amenable number.

33690746689 is a deficient number, since it is larger than the sum of its proper divisors (1370839871).

33690746689 is a wasteful number, since it uses less digits than its factorization.

33690746689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20952.

The product of its (nonzero) digits is 35271936, while the sum is 61.

The spelling of 33690746689 in words is "thirty-three billion, six hundred ninety million, seven hundred forty-six thousand, six hundred eighty-nine".