217004342604 has 96 divisors (see below), whose sum is σ = 611914985472. Its totient is φ = 58537728000.

The previous prime is 217004342543. The next prime is 217004342641. The reversal of 217004342604 is 406243400712.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 909517 + ... + 1123044.

It is an arithmetic number, because the mean of its divisors is an integer number (6374114432).

Almost surely, 2^217004342604 is an apocalyptic number.

It is an amenable number.

217004342604 is an abundant number, since it is smaller than the sum of its proper divisors (394910642868).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

217004342604 is a wasteful number, since it uses less digits than its factorization.

217004342604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2032647 (or 2032645 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 33.

The spelling of 217004342604 in words is "two hundred seventeen billion, four million, three hundred forty-two thousand, six hundred four".