2216850168389 has 4 divisors (see below), whose sum is σ = 2217676429056. Its totient is φ = 2216023907724.

The previous prime is 2216850168361. The next prime is 2216850168391. The reversal of 2216850168389 is 9838610586122.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2216850168389 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2216850161389) 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, 413126309 + ... + 413131674.

It is an arithmetic number, because the mean of its divisors is an integer number (554419107264).

Almost surely, 2^{2216850168389} is an apocalyptic number.

It is an amenable number.

2216850168389 is a deficient number, since it is larger than the sum of its proper divisors (826260667).

2216850168389 is an equidigital number, since it uses as much as digits as its factorization.

2216850168389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 826260666.

The product of its (nonzero) digits is 9953280, while the sum is 59.

The spelling of 2216850168389 in words is "two trillion, two hundred sixteen billion, eight hundred fifty million, one hundred sixty-eight thousand, three hundred eighty-nine".