2198767589 has 2 divisors, whose sum is σ = 2198767590. Its totient is φ = 2198767588.

The previous prime is 2198767561. The next prime is 2198767601. The reversal of 2198767589 is 9857678912.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1969850689 + 228916900 = 44383^2 + 15130^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2198767589 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2198767189) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1099383794 + 1099383795.

It is an arithmetic number, because the mean of its divisors is an integer number (1099383795).

Almost surely, 2^2198767589 is an apocalyptic number.

It is an amenable number.

2198767589 is a deficient number, since it is larger than the sum of its proper divisors (1).

2198767589 is an equidigital number, since it uses as much as digits as its factorization.

2198767589 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15240960, while the sum is 62.

The square root of 2198767589 is about 46891.0182124466. The cubic root of 2198767589 is about 1300.3485434272.

The spelling of 2198767589 in words is "two billion, one hundred ninety-eight million, seven hundred sixty-seven thousand, five hundred eighty-nine".