63389473 has 8 divisors (see below), whose sum is σ = 74403392. Its totient is φ = 52865136.

The previous prime is 63389471. The next prime is 63389503. The reversal of 63389473 is 37498336.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 63389473 - 2¹ = 63389471 is a prime.

It is not an unprimeable number, because it can be changed into a prime (63389471) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 122115 + ... + 122632.

It is an arithmetic number, because the mean of its divisors is an integer number (9300424).

Almost surely, 2^63389473 is an apocalyptic number.

It is an amenable number.

63389473 is a deficient number, since it is larger than the sum of its proper divisors (11013919).

63389473 is a wasteful number, since it uses less digits than its factorization.

63389473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244791.

The product of its digits is 326592, while the sum is 43.

The square root of 63389473 is about 7961.7506240776. The cubic root of 63389473 is about 398.7240026551.

The spelling of 63389473 in words is "sixty-three million, three hundred eighty-nine thousand, four hundred seventy-three".