2195988099897 has 16 divisors (see below), whose sum is σ = 2940243546240. Its totient is φ = 1457862816000.

The previous prime is 2195988099869. The next prime is 2195988099901. The reversal of 2195988099897 is 7989908895912.

It is not a de Polignac number, because 2195988099897 - 2¹⁸ = 2195987837753 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2195988099827) 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, 30937147 + ... + 31008047.

It is an arithmetic number, because the mean of its divisors is an integer number (183765221640).

Almost surely, 2^{2195988099897} is an apocalyptic number.

It is an amenable number.

2195988099897 is a deficient number, since it is larger than the sum of its proper divisors (744255446343).

2195988099897 is a wasteful number, since it uses less digits than its factorization.

2195988099897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113984.

The product of its (nonzero) digits is 2116316160, while the sum is 84.

The spelling of 2195988099897 in words is "two trillion, one hundred ninety-five billion, nine hundred eighty-eight million, ninety-nine thousand, eight hundred ninety-seven".