33690959677 has 2 divisors, whose sum is σ = 33690959678. Its totient is φ = 33690959676.

The previous prime is 33690959611. The next prime is 33690959683. The reversal of 33690959677 is 77695909633.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20982681316 + 12708278361 = 144854^2 + 112731^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-33690959677 is a prime.

It is a super-2 number, since 2×33690959677² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (33690959777) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16845479838 + 16845479839.

It is an arithmetic number, because the mean of its divisors is an integer number (16845479839).

Almost surely, 2^33690959677 is an apocalyptic number.

It is an amenable number.

33690959677 is a deficient number, since it is larger than the sum of its proper divisors (1).

33690959677 is an equidigital number, since it uses as much as digits as its factorization.

33690959677 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 57868020, while the sum is 64.

The spelling of 33690959677 in words is "thirty-three billion, six hundred ninety million, nine hundred fifty-nine thousand, six hundred seventy-seven".