4999565369 has 2 divisors, whose sum is σ = 4999565370. Its totient is φ = 4999565368.

The previous prime is 4999565353. The next prime is 4999565371. The reversal of 4999565369 is 9635659994.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4998490000 + 1075369 = 70700^2 + 1037^2 .

It is a cyclic number.

It is not a de Polignac number, because 4999565369 - 2⁴ = 4999565353 is a prime.

It is a super-2 number, since 2×4999565369² = 49991307757808212322, which contains 22 as substring.

Together with 4999565371, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (4999565569) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2499782684 + 2499782685.

It is an arithmetic number, because the mean of its divisors is an integer number (2499782685).

Almost surely, 2^4999565369 is an apocalyptic number.

It is an amenable number.

4999565369 is a deficient number, since it is larger than the sum of its proper divisors (1).

4999565369 is an equidigital number, since it uses as much as digits as its factorization.

4999565369 is an evil number, because the sum of its binary digits is even.

The product of its digits is 70858800, while the sum is 65.

The square root of 4999565369 is about 70707.6047465900. The cubic root of 4999565369 is about 1709.9263980039.

The spelling of 4999565369 in words is "four billion, nine hundred ninety-nine million, five hundred sixty-five thousand, three hundred sixty-nine".