2198698965 has 16 divisors (see below), whose sum is σ = 3908798400. Its totient is φ = 1172639376.

The previous prime is 2198698951. The next prime is 2198698991. The reversal of 2198698965 is 5698968912.

It is not a de Polignac number, because 2198698965 - 2⁴ = 2198698949 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8143195 + ... + 8143464.

It is an arithmetic number, because the mean of its divisors is an integer number (244299900).

Almost surely, 2^2198698965 is an apocalyptic number.

It is an amenable number.

2198698965 is a deficient number, since it is larger than the sum of its proper divisors (1710099435).

2198698965 is a wasteful number, since it uses less digits than its factorization.

2198698965 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16286673 (or 16286667 counting only the distinct ones).

The product of its digits is 16796160, while the sum is 63.

The square root of 2198698965 is about 46890.2864674551. The cubic root of 2198698965 is about 1300.3350152357.

The spelling of 2198698965 in words is "two billion, one hundred ninety-eight million, six hundred ninety-eight thousand, nine hundred sixty-five".