2216509364308 has 12 divisors (see below), whose sum is σ = 3879654834132. Its totient is φ = 1108036554560.

The previous prime is 2216509364299. The next prime is 2216509364309. The reversal of 2216509364308 is 8034639056122.

It can be written as a sum of positive squares in 2 ways, for example, as 633698786704 + 1582810577604 = 796052^2 + 1258098^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2216509364309) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54509035 + ... + 54549682.

It is an arithmetic number, because the mean of its divisors is an integer number (323304569511).

Almost surely, 2^{2216509364308} is an apocalyptic number.

It is an amenable number.

2216509364308 is a deficient number, since it is larger than the sum of its proper divisors (1663145469824).

2216509364308 is a wasteful number, since it uses less digits than its factorization.

2216509364308 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109063802 (or 109063800 counting only the distinct ones).

The product of its (nonzero) digits is 1866240, while the sum is 49.

The spelling of 2216509364308 in words is "two trillion, two hundred sixteen billion, five hundred nine million, three hundred sixty-four thousand, three hundred eight".