63495149 has 2 divisors, whose sum is σ = 63495150. Its totient is φ = 63495148.

The previous prime is 63495143. The next prime is 63495193. The reversal of 63495149 is 94159436.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 39778249 + 23716900 = 6307^2 + 4870^2 .

It is a cyclic number.

It is not a de Polignac number, because 63495149 - 2¹² = 63491053 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (63495143) 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, 31747574 + 31747575.

It is an arithmetic number, because the mean of its divisors is an integer number (31747575).

Almost surely, 2^63495149 is an apocalyptic number.

It is an amenable number.

63495149 is a deficient number, since it is larger than the sum of its proper divisors (1).

63495149 is an equidigital number, since it uses as much as digits as its factorization.

63495149 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 116640, while the sum is 41.

The square root of 63495149 is about 7968.3843406302. The cubic root of 63495149 is about 398.9454493338.

The spelling of 63495149 in words is "sixty-three million, four hundred ninety-five thousand, one hundred forty-nine".