5665748399 has 2 divisors, whose sum is σ = 5665748400. Its totient is φ = 5665748398.

The previous prime is 5665748351. The next prime is 5665748479. The reversal of 5665748399 is 9938475665.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5665748399 - 2²⁴ = 5648971183 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5665748329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2832874199 + 2832874200.

It is an arithmetic number, because the mean of its divisors is an integer number (2832874200).

Almost surely, 2^5665748399 is an apocalyptic number.

5665748399 is a deficient number, since it is larger than the sum of its proper divisors (1).

5665748399 is an equidigital number, since it uses as much as digits as its factorization.

5665748399 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 48988800, while the sum is 62.

The square root of 5665748399 is about 75271.1657874382. The cubic root of 5665748399 is about 1782.7307744778.

The spelling of 5665748399 in words is "five billion, six hundred sixty-five million, seven hundred forty-eight thousand, three hundred ninety-nine".