2198979366 has 16 divisors (see below), whose sum is σ = 4425973104. Its totient is φ = 728324064.

The previous prime is 2198979361. The next prime is 2198979397. The reversal of 2198979366 is 6639798912.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2198979361) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1166245 + ... + 1168128.

It is an arithmetic number, because the mean of its divisors is an integer number (276623319).

Almost surely, 2^2198979366 is an apocalyptic number.

2198979366 is an abundant number, since it is smaller than the sum of its proper divisors (2226993738).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2198979366 is a wasteful number, since it uses less digits than its factorization.

2198979366 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2334535.

The product of its digits is 8817984, while the sum is 60.

The square root of 2198979366 is about 46893.2763410705. The cubic root of 2198979366 is about 1300.3902903091.

The spelling of 2198979366 in words is "two billion, one hundred ninety-eight million, nine hundred seventy-nine thousand, three hundred sixty-six".