33386917139 has 16 divisors (see below), whose sum is σ = 35008630272. Its totient is φ = 31779652608.

The previous prime is 33386917051. The next prime is 33386917217. The reversal of 33386917139 is 93171968333.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-33386917139 is a prime.

It is a super-2 number, since 2×33386917139² (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 (33386916139) 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, 6972104 + ... + 6976890.

It is an arithmetic number, because the mean of its divisors is an integer number (2188039392).

Almost surely, 2^33386917139 is an apocalyptic number.

33386917139 is a deficient number, since it is larger than the sum of its proper divisors (1621713133).

33386917139 is a wasteful number, since it uses less digits than its factorization.

33386917139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6226.

The product of its digits is 2204496, while the sum is 53.

The spelling of 33386917139 in words is "thirty-three billion, three hundred eighty-six million, nine hundred seventeen thousand, one hundred thirty-nine".