63509484 has 36 divisors (see below), whose sum is σ = 157427144. Its totient is φ = 19923456.

The previous prime is 63509477. The next prime is 63509513. The reversal of 63509484 is 48490536.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5689 + ... + 12624.

Almost surely, 2^63509484 is an apocalyptic number.

It is an amenable number.

63509484 is an abundant number, since it is smaller than the sum of its proper divisors (93917660).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

63509484 is a wasteful number, since it uses less digits than its factorization.

63509484 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18354 (or 18335 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 39.

The square root of 63509484 is about 7969.2837821225. The cubic root of 63509484 is about 398.9754697515.

The spelling of 63509484 in words is "sixty-three million, five hundred nine thousand, four hundred eighty-four".