217913007033 has 12 divisors (see below), whose sum is σ = 315186880320. Its totient is φ = 145079808216.

The previous prime is 217913007001. The next prime is 217913007101. The reversal of 217913007033 is 330700319712.

It is not a de Polignac number, because 217913007033 - 2⁵ = 217913007001 is a prime.

It is not an unprimeable number, because it can be changed into a prime (217913009033) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16287093 + ... + 16300466.

It is an arithmetic number, because the mean of its divisors is an integer number (26265573360).

Almost surely, 2^217913007033 is an apocalyptic number.

It is an amenable number.

217913007033 is a deficient number, since it is larger than the sum of its proper divisors (97273873287).

217913007033 is a wasteful number, since it uses less digits than its factorization.

217913007033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32588308 (or 32588305 counting only the distinct ones).

The product of its (nonzero) digits is 23814, while the sum is 36.

The spelling of 217913007033 in words is "two hundred seventeen billion, nine hundred thirteen million, seven thousand, thirty-three".