2198989505 has 8 divisors (see below), whose sum is σ = 2639169600. Its totient is φ = 1758936816.

The previous prime is 2198989469. The next prime is 2198989511. The reversal of 2198989505 is 5059898912.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2198989505 - 2⁸ = 2198989249 is a prime.

It is a Curzon number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 11486 + ... + 67304.

It is an arithmetic number, because the mean of its divisors is an integer number (329896200).

Almost surely, 2^2198989505 is an apocalyptic number.

It is an amenable number.

2198989505 is a deficient number, since it is larger than the sum of its proper divisors (440180095).

2198989505 is an equidigital number, since it uses as much as digits as its factorization.

2198989505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63703.

The product of its (nonzero) digits is 2332800, while the sum is 56.

The square root of 2198989505 is about 46893.3844481287. The cubic root of 2198989505 is about 1300.3922889085.

The spelling of 2198989505 in words is "two billion, one hundred ninety-eight million, nine hundred eighty-nine thousand, five hundred five".