2198998341604 has 27 divisors (see below), whose sum is σ = 4022961551497. Its totient is φ = 1051662235184.

The previous prime is 2198998341583. The next prime is 2198998341611. The reversal of 2198998341604 is 4061438998912.

The square root of 2198998341604 is 1482902.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 2145844116900 + 53154224704 = 1464870^2 + 230552^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 68197374 + ... + 68229610.

Almost surely, 2^{2198998341604} is an apocalyptic number.

2198998341604 is the 1482902-nd square number.

It is an amenable number.

2198998341604 is a deficient number, since it is larger than the sum of its proper divisors (1823963209893).

2198998341604 is an frugal number, since it uses more digits than its factorization.

2198998341604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64524 (or 32262 counting only the distinct ones).

The product of its (nonzero) digits is 26873856, while the sum is 64.

Multiplying 2198998341604 by its sum of digits (64), we get a square (140735893862656 = 11863216²).

The spelling of 2198998341604 in words is "two trillion, one hundred ninety-eight billion, nine hundred ninety-eight million, three hundred forty-one thousand, six hundred four".