63420463 has 4 divisors (see below), whose sum is σ = 63439888. Its totient is φ = 63401040.

The previous prime is 63420433. The next prime is 63420517. The reversal of 63420463 is 36402436.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 63420463 - 2⁵ = 63420431 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63420403) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3483 + ... + 11788.

It is an arithmetic number, because the mean of its divisors is an integer number (15859972).

Almost surely, 2^63420463 is an apocalyptic number.

63420463 is a deficient number, since it is larger than the sum of its proper divisors (19425).

63420463 is a wasteful number, since it uses less digits than its factorization.

63420463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19424.

The product of its (nonzero) digits is 10368, while the sum is 28.

The square root of 63420463 is about 7963.6965662938. The cubic root of 63420463 is about 398.7889684567.

Adding to 63420463 its reverse (36402436), we get a palindrome (99822899).

The spelling of 63420463 in words is "sixty-three million, four hundred twenty thousand, four hundred sixty-three".