2298195661 has 2 divisors, whose sum is σ = 2298195662. Its totient is φ = 2298195660.

The previous prime is 2298195649. The next prime is 2298195703. The reversal of 2298195661 is 1665918922.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1498154436 + 800041225 = 38706^2 + 28285^2 .

It is a cyclic number.

It is not a de Polignac number, because 2298195661 - 2⁷ = 2298195533 is a prime.

It is the 47940-th Hogben number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2298195061) by changing a digit.

It is a nontrivial repunit in base 47939.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1149097830 + 1149097831.

It is an arithmetic number, because the mean of its divisors is an integer number (1149097831).

Almost surely, 2^2298195661 is an apocalyptic number.

It is an amenable number.

2298195661 is a deficient number, since it is larger than the sum of its proper divisors (1).

2298195661 is an equidigital number, since it uses as much as digits as its factorization.

2298195661 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 466560, while the sum is 49.

The square root of 2298195661 is about 47939.5000078224. The cubic root of 2298195661 is about 1319.6608519962.

The spelling of 2298195661 in words is "two billion, two hundred ninety-eight million, one hundred ninety-five thousand, six hundred sixty-one".