6311291659 has 2 divisors, whose sum is σ = 6311291660. Its totient is φ = 6311291658.

The previous prime is 6311291653. The next prime is 6311291677. The reversal of 6311291659 is 9561921136.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6311291659 - 2⁵ = 6311291627 is a prime.

It is not a weakly prime, because it can be changed into another prime (6311291653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3155645829 + 3155645830.

It is an arithmetic number, because the mean of its divisors is an integer number (3155645830).

Almost surely, 2^6311291659 is an apocalyptic number.

6311291659 is a deficient number, since it is larger than the sum of its proper divisors (1).

6311291659 is an equidigital number, since it uses as much as digits as its factorization.

6311291659 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 87480, while the sum is 43.

The square root of 6311291659 is about 79443.6382537960. The cubic root of 6311291659 is about 1848.0175168212.

The spelling of 6311291659 in words is "six billion, three hundred eleven million, two hundred ninety-one thousand, six hundred fifty-nine".