2198796565 has 16 divisors (see below), whose sum is σ = 3174203520. Its totient is φ = 1428390720.

The previous prime is 2198796539. The next prime is 2198796599. The reversal of 2198796565 is 5656978912.

It is not a de Polignac number, because 2198796565 - 2¹³ = 2198788373 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1652566 + ... + 1653895.

It is an arithmetic number, because the mean of its divisors is an integer number (198387720).

Almost surely, 2^2198796565 is an apocalyptic number.

It is an amenable number.

2198796565 is a deficient number, since it is larger than the sum of its proper divisors (975406955).

2198796565 is a wasteful number, since it uses less digits than its factorization.

2198796565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3306492.

The product of its digits is 8164800, while the sum is 58.

The square root of 2198796565 is about 46891.3271831796. The cubic root of 2198796565 is about 1300.3542555261.

The spelling of 2198796565 in words is "two billion, one hundred ninety-eight million, seven hundred ninety-six thousand, five hundred sixty-five".