2198263065 has 32 divisors (see below), whose sum is σ = 3711432960. Its totient is φ = 1108816896.

The previous prime is 2198263063. The next prime is 2198263073. The reversal of 2198263065 is 5603628912.

It is not a de Polignac number, because 2198263065 - 2¹ = 2198263063 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2198263063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5092 + ... + 66501.

It is an arithmetic number, because the mean of its divisors is an integer number (115982280).

Almost surely, 2^2198263065 is an apocalyptic number.

It is an amenable number.

2198263065 is a deficient number, since it is larger than the sum of its proper divisors (1513169895).

2198263065 is a wasteful number, since it uses less digits than its factorization.

2198263065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71713.

The product of its (nonzero) digits is 155520, while the sum is 42.

The square root of 2198263065 is about 46885.6381528502. The cubic root of 2198263065 is about 1300.2490775207.

The spelling of 2198263065 in words is "two billion, one hundred ninety-eight million, two hundred sixty-three thousand, sixty-five".