2198856983 has 2 divisors, whose sum is σ = 2198856984. Its totient is φ = 2198856982.

The previous prime is 2198856967. The next prime is 2198856997. The reversal of 2198856983 is 3896588912.

2198856983 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2198856983 - 2⁴ = 2198856967 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2198856923) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1099428491 + 1099428492.

It is an arithmetic number, because the mean of its divisors is an integer number (1099428492).

Almost surely, 2^2198856983 is an apocalyptic number.

2198856983 is a deficient number, since it is larger than the sum of its proper divisors (1).

2198856983 is an equidigital number, since it uses as much as digits as its factorization.

2198856983 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7464960, while the sum is 59.

The square root of 2198856983 is about 46891.9714130255. The cubic root of 2198856983 is about 1300.3661656902.

The spelling of 2198856983 in words is "two billion, one hundred ninety-eight million, eight hundred fifty-six thousand, nine hundred eighty-three".