63495899 has 2 divisors, whose sum is σ = 63495900. Its totient is φ = 63495898.

The previous prime is 63495871. The next prime is 63495917. The reversal of 63495899 is 99859436.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 63495899 - 2¹² = 63491803 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 63495899.

It is not a weakly prime, because it can be changed into another prime (63495499) 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, 31747949 + 31747950.

It is an arithmetic number, because the mean of its divisors is an integer number (31747950).

Almost surely, 2^63495899 is an apocalyptic number.

63495899 is a deficient number, since it is larger than the sum of its proper divisors (1).

63495899 is an equidigital number, since it uses as much as digits as its factorization.

63495899 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2099520, while the sum is 53.

The square root of 63495899 is about 7968.4314014742. The cubic root of 63495899 is about 398.9470200990.

The spelling of 63495899 in words is "sixty-three million, four hundred ninety-five thousand, eight hundred ninety-nine".