6351205849 has 2 divisors, whose sum is σ = 6351205850. Its totient is φ = 6351205848.

The previous prime is 6351205843. The next prime is 6351205897. The reversal of 6351205849 is 9485021536.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3268180224 + 3083025625 = 57168^2 + 55525^2 .

It is a cyclic number.

It is not a de Polignac number, because 6351205849 - 2¹¹ = 6351203801 is a prime.

It is not a weakly prime, because it can be changed into another prime (6351205843) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3175602924 + 3175602925.

It is an arithmetic number, because the mean of its divisors is an integer number (3175602925).

Almost surely, 2^6351205849 is an apocalyptic number.

It is an amenable number.

6351205849 is a deficient number, since it is larger than the sum of its proper divisors (1).

6351205849 is an equidigital number, since it uses as much as digits as its factorization.

6351205849 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 259200, while the sum is 43.

The square root of 6351205849 is about 79694.4530629328. The cubic root of 6351205849 is about 1851.9051082258.

The spelling of 6351205849 in words is "six billion, three hundred fifty-one million, two hundred five thousand, eight hundred forty-nine".