33700066709 has 2 divisors, whose sum is σ = 33700066710. Its totient is φ = 33700066708.

The previous prime is 33700066651. The next prime is 33700066711. The reversal of 33700066709 is 90766000733.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20706346609 + 12993720100 = 143897^2 + 113990^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-33700066709 is a prime.

It is a super-2 number, since 2×33700066709² (a number of 22 digits) contains 22 as substring.

Together with 33700066711, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (33700066009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16850033354 + 16850033355.

It is an arithmetic number, because the mean of its divisors is an integer number (16850033355).

Almost surely, 2^33700066709 is an apocalyptic number.

It is an amenable number.

33700066709 is a deficient number, since it is larger than the sum of its proper divisors (1).

33700066709 is an equidigital number, since it uses as much as digits as its factorization.

33700066709 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 142884, while the sum is 41.

The spelling of 33700066709 in words is "thirty-three billion, seven hundred million, sixty-six thousand, seven hundred nine".