2199618219997 has 16 divisors (see below), whose sum is σ = 2488363742592. Its totient is φ = 1926718816320.

The previous prime is 2199618219983. The next prime is 2199618220021. The reversal of 2199618219997 is 7999128169912.

It is a happy number.

2199618219997 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 2199618219997 - 2²⁷ = 2199484002269 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 (2199618219907) 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, 26193358 + ... + 26277199.

It is an arithmetic number, because the mean of its divisors is an integer number (155522733912).

Almost surely, 2^{2199618219997} is an apocalyptic number.

It is an amenable number.

2199618219997 is a deficient number, since it is larger than the sum of its proper divisors (288745522595).

2199618219997 is a wasteful number, since it uses less digits than its factorization.

2199618219997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52470708.

The product of its digits is 79361856, while the sum is 73.

The spelling of 2199618219997 in words is "two trillion, one hundred ninety-nine billion, six hundred eighteen million, two hundred nineteen thousand, nine hundred ninety-seven".