5665849339 has 2 divisors, whose sum is σ = 5665849340. Its totient is φ = 5665849338.

The previous prime is 5665849337. The next prime is 5665849351. The reversal of 5665849339 is 9339485665.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5665849339 - 2¹ = 5665849337 is a prime.

Together with 5665849337, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (5665849337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2832924669 + 2832924670.

It is an arithmetic number, because the mean of its divisors is an integer number (2832924670).

Almost surely, 2^5665849339 is an apocalyptic number.

5665849339 is a deficient number, since it is larger than the sum of its proper divisors (1).

5665849339 is an equidigital number, since it uses as much as digits as its factorization.

5665849339 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20995200, while the sum is 58.

The square root of 5665849339 is about 75271.8362935301. The cubic root of 5665849339 is about 1782.7413613566.

The spelling of 5665849339 in words is "five billion, six hundred sixty-five million, eight hundred forty-nine thousand, three hundred thirty-nine".