217023010542704 has 20 divisors (see below), whose sum is σ = 420549284987664. Its totient is φ = 108494162803968.

The previous prime is 217023010542703. The next prime is 217023010542707. The reversal of 217023010542704 is 407245010320712.

It is a super-2 number, since 2×217023010542704² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (217023010542703) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1083800972 + ... + 1084001195.

Almost surely, 2^{217023010542704} is an apocalyptic number.

It is an amenable number.

217023010542704 is a deficient number, since it is larger than the sum of its proper divisors (203526274444960).

217023010542704 is a wasteful number, since it uses less digits than its factorization.

217023010542704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2167808432 (or 2167808426 counting only the distinct ones).

The product of its (nonzero) digits is 94080, while the sum is 38.

The spelling of 217023010542704 in words is "two hundred seventeen trillion, twenty-three billion, ten million, five hundred forty-two thousand, seven hundred four".