6325781659 has 2 divisors, whose sum is σ = 6325781660. Its totient is φ = 6325781658.

The previous prime is 6325781633. The next prime is 6325781669. The reversal of 6325781659 is 9561875236.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6325781659 - 2⁷ = 6325781531 is a prime.

It is not a weakly prime, because it can be changed into another prime (6325781669) 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, 3162890829 + 3162890830.

It is an arithmetic number, because the mean of its divisors is an integer number (3162890830).

Almost surely, 2^6325781659 is an apocalyptic number.

6325781659 is a deficient number, since it is larger than the sum of its proper divisors (1).

6325781659 is an equidigital number, since it uses as much as digits as its factorization.

6325781659 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2721600, while the sum is 52.

The square root of 6325781659 is about 79534.7826991436. The cubic root of 6325781659 is about 1849.4307144394.

The spelling of 6325781659 in words is "six billion, three hundred twenty-five million, seven hundred eighty-one thousand, six hundred fifty-nine".