33130056917 has 2 divisors, whose sum is σ = 33130056918. Its totient is φ = 33130056916.

The previous prime is 33130056913. The next prime is 33130056961. The reversal of 33130056917 is 71965003133.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 27294013681 + 5836043236 = 165209^2 + 76394^2 .

It is a cyclic number.

It is not a de Polignac number, because 33130056917 - 2² = 33130056913 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (33130056913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16565028458 + 16565028459.

It is an arithmetic number, because the mean of its divisors is an integer number (16565028459).

Almost surely, 2^33130056917 is an apocalyptic number.

It is an amenable number.

33130056917 is a deficient number, since it is larger than the sum of its proper divisors (1).

33130056917 is an equidigital number, since it uses as much as digits as its factorization.

33130056917 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 51030, while the sum is 38.

The spelling of 33130056917 in words is "thirty-three billion, one hundred thirty million, fifty-six thousand, nine hundred seventeen".