4897586809 has 2 divisors, whose sum is σ = 4897586810. Its totient is φ = 4897586808.

The previous prime is 4897586803. The next prime is 4897586891. The reversal of 4897586809 is 9086857984.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4579499584 + 318087225 = 67672^2 + 17835^2 .

It is a cyclic number.

It is not a de Polignac number, because 4897586809 - 2⁹ = 4897586297 is a prime.

It is not a weakly prime, because it can be changed into another prime (4897586803) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2448793404 + 2448793405.

It is an arithmetic number, because the mean of its divisors is an integer number (2448793405).

Almost surely, 2^4897586809 is an apocalyptic number.

It is an amenable number.

4897586809 is a deficient number, since it is larger than the sum of its proper divisors (1).

4897586809 is an equidigital number, since it uses as much as digits as its factorization.

4897586809 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 34836480, while the sum is 64.

The square root of 4897586809 is about 69982.7607986424. The cubic root of 4897586809 is about 1698.2203763123.

The spelling of 4897586809 in words is "four billion, eight hundred ninety-seven million, five hundred eighty-six thousand, eight hundred nine".