4666898609 has 2 divisors, whose sum is σ = 4666898610. Its totient is φ = 4666898608.

The previous prime is 4666898567. The next prime is 4666898611. The reversal of 4666898609 is 9068986664.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2596921600 + 2069977009 = 50960^2 + 45497^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4666898609 is a prime.

It is a super-2 number, since 2×4666898609² = 43559885253372269762, which contains 22 as substring.

It is a Sophie Germain prime.

Together with 4666898611, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (4666898309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2333449304 + 2333449305.

It is an arithmetic number, because the mean of its divisors is an integer number (2333449305).

Almost surely, 2^4666898609 is an apocalyptic number.

It is an amenable number.

4666898609 is a deficient number, since it is larger than the sum of its proper divisors (1).

4666898609 is an equidigital number, since it uses as much as digits as its factorization.

4666898609 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 26873856, while the sum is 62.

The square root of 4666898609 is about 68314.7027293539. The cubic root of 4666898609 is about 1671.1269968157.

The spelling of 4666898609 in words is "four billion, six hundred sixty-six million, eight hundred ninety-eight thousand, six hundred nine".