2216985441999 has 4 divisors (see below), whose sum is σ = 2955980589336. Its totient is φ = 1477990294664.

The previous prime is 2216985441949. The next prime is 2216985442013. The reversal of 2216985441999 is 9991445896122.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2216985441999 - 2¹² = 2216985437903 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2216985441949) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 369497573664 + ... + 369497573669.

It is an arithmetic number, because the mean of its divisors is an integer number (738995147334).

Almost surely, 2^{2216985441999} is an apocalyptic number.

2216985441999 is a deficient number, since it is larger than the sum of its proper divisors (738995147337).

2216985441999 is an equidigital number, since it uses as much as digits as its factorization.

2216985441999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 738995147336.

The product of its digits is 100776960, while the sum is 69.

The spelling of 2216985441999 in words is "two trillion, two hundred sixteen billion, nine hundred eighty-five million, four hundred forty-one thousand, nine hundred ninety-nine".