2197460659 has 2 divisors, whose sum is σ = 2197460660. Its totient is φ = 2197460658.

The previous prime is 2197460651. The next prime is 2197460669. The reversal of 2197460659 is 9560647912.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2197460659 - 2³ = 2197460651 is a prime.

It is not a weakly prime, because it can be changed into another prime (2197460651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1098730329 + 1098730330.

It is an arithmetic number, because the mean of its divisors is an integer number (1098730330).

Almost surely, 2^2197460659 is an apocalyptic number.

2197460659 is a deficient number, since it is larger than the sum of its proper divisors (1).

2197460659 is an equidigital number, since it uses as much as digits as its factorization.

2197460659 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 816480, while the sum is 49.

The square root of 2197460659 is about 46877.0803165044. The cubic root of 2197460659 is about 1300.0908534137.

The spelling of 2197460659 in words is "two billion, one hundred ninety-seven million, four hundred sixty thousand, six hundred fifty-nine".