5665138159 has 2 divisors, whose sum is σ = 5665138160. Its totient is φ = 5665138158.

The previous prime is 5665138133. The next prime is 5665138181. The reversal of 5665138159 is 9518315665.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5665138159 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5665118159) 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, 2832569079 + 2832569080.

It is an arithmetic number, because the mean of its divisors is an integer number (2832569080).

Almost surely, 2^5665138159 is an apocalyptic number.

5665138159 is a deficient number, since it is larger than the sum of its proper divisors (1).

5665138159 is an equidigital number, since it uses as much as digits as its factorization.

5665138159 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 972000, while the sum is 49.

The square root of 5665138159 is about 75267.1120676222. The cubic root of 5665138159 is about 1782.6667680652. Note that the first 3 decimals are identical.

The spelling of 5665138159 in words is "five billion, six hundred sixty-five million, one hundred thirty-eight thousand, one hundred fifty-nine".