2198932889618 has 16 divisors (see below), whose sum is σ = 3331294976256. Its totient is φ = 1088506823040.

The previous prime is 2198932889597. The next prime is 2198932889719. The reversal of 2198932889618 is 8169882398912.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 608543 + ... + 2183618.

It is an arithmetic number, because the mean of its divisors is an integer number (208205936016).

Almost surely, 2^{2198932889618} is an apocalyptic number.

2198932889618 is a deficient number, since it is larger than the sum of its proper divisors (1132362086638).

2198932889618 is a wasteful number, since it uses less digits than its factorization.

2198932889618 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2796089.

The product of its digits is 214990848, while the sum is 74.

The spelling of 2198932889618 in words is "two trillion, one hundred ninety-eight billion, nine hundred thirty-two million, eight hundred eighty-nine thousand, six hundred eighteen".