63149563 has 2 divisors, whose sum is σ = 63149564. Its totient is φ = 63149562.

The previous prime is 63149561. The next prime is 63149591. The reversal of 63149563 is 36594136.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 63149563 - 2¹ = 63149561 is a prime.

Together with 63149561, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (63149561) 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, 31574781 + 31574782.

It is an arithmetic number, because the mean of its divisors is an integer number (31574782).

Almost surely, 2^63149563 is an apocalyptic number.

63149563 is a deficient number, since it is larger than the sum of its proper divisors (1).

63149563 is an equidigital number, since it uses as much as digits as its factorization.

63149563 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 58320, while the sum is 37.

The square root of 63149563 is about 7946.6699314870. The cubic root of 63149563 is about 398.2203501082.

The spelling of 63149563 in words is "sixty-three million, one hundred forty-nine thousand, five hundred sixty-three".