33135065957 has 16 divisors (see below), whose sum is σ = 38214288000. Its totient is φ = 28143170880.

The previous prime is 33135065927. The next prime is 33135065963. The reversal of 33135065957 is 75956053133.

It is a cyclic number.

It is not a de Polignac number, because 33135065957 - 2²⁰ = 33134017381 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33135065917) 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, 399107 + ... + 474927.

It is an arithmetic number, because the mean of its divisors is an integer number (2388393000).

Almost surely, 2^33135065957 is an apocalyptic number.

It is an amenable number.

33135065957 is a deficient number, since it is larger than the sum of its proper divisors (5079222043).

33135065957 is a wasteful number, since it uses less digits than its factorization.

33135065957 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76396.

The product of its (nonzero) digits is 1275750, while the sum is 47.

The spelling of 33135065957 in words is "thirty-three billion, one hundred thirty-five million, sixty-five thousand, nine hundred fifty-seven".