2216509364293 has 16 divisors (see below), whose sum is σ = 2576322731520. Its totient is φ = 1867494150000.

The previous prime is 2216509364233. The next prime is 2216509364299. The reversal of 2216509364293 is 3924639056122.

It is a cyclic number.

It is not a de Polignac number, because 2216509364293 - 2³⁷ = 2079070410821 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2216509364293.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2216509364299) 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, 4408158 + ... + 4885168.

It is an arithmetic number, because the mean of its divisors is an integer number (161020170720).

Almost surely, 2^{2216509364293} is an apocalyptic number.

It is an amenable number.

2216509364293 is a deficient number, since it is larger than the sum of its proper divisors (359813367227).

2216509364293 is a wasteful number, since it uses less digits than its factorization.

2216509364293 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 488328.

The product of its (nonzero) digits is 4199040, while the sum is 52.

The spelling of 2216509364293 in words is "two trillion, two hundred sixteen billion, five hundred nine million, three hundred sixty-four thousand, two hundred ninety-three".