6380195449 has 2 divisors, whose sum is σ = 6380195450. Its totient is φ = 6380195448.

The previous prime is 6380195441. The next prime is 6380195453. The reversal of 6380195449 is 9445910836.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5553230400 + 826965049 = 74520^2 + 28757^2 .

It is a cyclic number.

It is not a de Polignac number, because 6380195449 - 2³ = 6380195441 is a prime.

It is not a weakly prime, because it can be changed into another prime (6380195441) 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, 3190097724 + 3190097725.

It is an arithmetic number, because the mean of its divisors is an integer number (3190097725).

Almost surely, 2^6380195449 is an apocalyptic number.

It is an amenable number.

6380195449 is a deficient number, since it is larger than the sum of its proper divisors (1).

6380195449 is an equidigital number, since it uses as much as digits as its factorization.

6380195449 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 933120, while the sum is 49.

The square root of 6380195449 is about 79876.1256509102. The cubic root of 6380195449 is about 1854.7184591714.

The spelling of 6380195449 in words is "six billion, three hundred eighty million, one hundred ninety-five thousand, four hundred forty-nine".