5665629539 has 2 divisors, whose sum is σ = 5665629540. Its totient is φ = 5665629538.

The previous prime is 5665629517. The next prime is 5665629547. The reversal of 5665629539 is 9359265665.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5665629539 - 2²⁸ = 5397194083 is a prime.

It is not a weakly prime, because it can be changed into another prime (5665629569) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2832814769 + 2832814770.

It is an arithmetic number, because the mean of its divisors is an integer number (2832814770).

Almost surely, 2^5665629539 is an apocalyptic number.

5665629539 is a deficient number, since it is larger than the sum of its proper divisors (1).

5665629539 is an equidigital number, since it uses as much as digits as its factorization.

5665629539 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13122000, while the sum is 56.

The square root of 5665629539 is about 75270.3762379331. The cubic root of 5665629539 is about 1782.7183079363.

The spelling of 5665629539 in words is "five billion, six hundred sixty-five million, six hundred twenty-nine thousand, five hundred thirty-nine".