63536409 has 12 divisors (see below), whose sum is σ = 93068352. Its totient is φ = 41760600.

The previous prime is 63536393. The next prime is 63536411. The reversal of 63536409 is 90463536.

63536409 is a `hidden beast` number, since 6 + 3 + 5 + 3 + 640 + 9 = 666.

It is not a de Polignac number, because 63536409 - 2⁴ = 63536393 is a prime.

It is not an unprimeable number, because it can be changed into a prime (63536479) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 49077 + ... + 50354.

It is an arithmetic number, because the mean of its divisors is an integer number (7755696).

Almost surely, 2^63536409 is an apocalyptic number.

It is an amenable number.

63536409 is a deficient number, since it is larger than the sum of its proper divisors (29531943).

63536409 is a wasteful number, since it uses less digits than its factorization.

63536409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99508 (or 99505 counting only the distinct ones).

The product of its (nonzero) digits is 58320, while the sum is 36.

The square root of 63536409 is about 7970.9729017229. The cubic root of 63536409 is about 399.0318439921.

The spelling of 63536409 in words is "sixty-three million, five hundred thirty-six thousand, four hundred nine".