63505629 has 12 divisors (see below), whose sum is σ = 100069632. Its totient is φ = 38488200.

The previous prime is 63505583. The next prime is 63505633. The reversal of 63505629 is 92650536.

63505629 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 63505629 - 2⁸ = 63505373 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 63505593 and 63505602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63505649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 320637 + ... + 320834.

It is an arithmetic number, because the mean of its divisors is an integer number (8339136).

Almost surely, 2^63505629 is an apocalyptic number.

It is an amenable number.

63505629 is a deficient number, since it is larger than the sum of its proper divisors (36564003).

63505629 is a wasteful number, since it uses less digits than its factorization.

63505629 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 641488 (or 641485 counting only the distinct ones).

The product of its (nonzero) digits is 48600, while the sum is 36.

The square root of 63505629 is about 7969.0419123004. The cubic root of 63505629 is about 398.9673970383.

The spelling of 63505629 in words is "sixty-three million, five hundred five thousand, six hundred twenty-nine".