5659887491 has 2 divisors, whose sum is σ = 5659887492. Its totient is φ = 5659887490.

The previous prime is 5659887487. The next prime is 5659887547. The reversal of 5659887491 is 1947889565.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5659887491 - 2² = 5659887487 is a prime.

It is not a weakly prime, because it can be changed into another prime (5659887481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2829943745 + 2829943746.

It is an arithmetic number, because the mean of its divisors is an integer number (2829943746).

Almost surely, 2^5659887491 is an apocalyptic number.

5659887491 is a deficient number, since it is larger than the sum of its proper divisors (1).

5659887491 is an equidigital number, since it uses as much as digits as its factorization.

5659887491 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 21772800, while the sum is 62.

The square root of 5659887491 is about 75232.2237541866. The cubic root of 5659887491 is about 1782.1158497777.

The spelling of 5659887491 in words is "five billion, six hundred fifty-nine million, eight hundred eighty-seven thousand, four hundred ninety-one".