2200459661 has 2 divisors, whose sum is σ = 2200459662. Its totient is φ = 2200459660.

The previous prime is 2200459643. The next prime is 2200459687. The reversal of 2200459661 is 1669540022.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1773252100 + 427207561 = 42110^2 + 20669^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2200459661 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2200459691) by changing a digit.

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 as a sum of consecutive naturals, namely, 1100229830 + 1100229831.

It is an arithmetic number, because the mean of its divisors is an integer number (1100229831).

Almost surely, 2^2200459661 is an apocalyptic number.

It is an amenable number.

2200459661 is a deficient number, since it is larger than the sum of its proper divisors (1).

2200459661 is an equidigital number, since it uses as much as digits as its factorization.

2200459661 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 25920, while the sum is 35.

The square root of 2200459661 is about 46909.0573450373. The cubic root of 2200459661 is about 1300.6820210231.

Adding to 2200459661 its reverse (1669540022), we get a palindrome (3869999683).

The spelling of 2200459661 in words is "two billion, two hundred million, four hundred fifty-nine thousand, six hundred sixty-one".