33806705939 has 2 divisors, whose sum is σ = 33806705940. Its totient is φ = 33806705938.

The previous prime is 33806705929. The next prime is 33806705969. The reversal of 33806705939 is 93950760833.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 33806705939 - 2²⁰ = 33805657363 is a prime.

It is a super-2 number, since 2×33806705939² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (33806705929) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16903352969 + 16903352970.

It is an arithmetic number, because the mean of its divisors is an integer number (16903352970).

Almost surely, 2^33806705939 is an apocalyptic number.

33806705939 is a deficient number, since it is larger than the sum of its proper divisors (1).

33806705939 is an equidigital number, since it uses as much as digits as its factorization.

33806705939 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3674160, while the sum is 53.

The spelling of 33806705939 in words is "thirty-three billion, eight hundred six million, seven hundred five thousand, nine hundred thirty-nine".