63264213563 has 4 divisors (see below), whose sum is σ = 66014831568. Its totient is φ = 60513595560.

The previous prime is 63264213547. The next prime is 63264213589. The reversal of 63264213563 is 36531246236.

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 63264213563 - 2⁴ = 63264213547 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 63264213563.

It is not an unprimeable number, because it can be changed into a prime (63264213503) 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, 1375308968 + ... + 1375309013.

It is an arithmetic number, because the mean of its divisors is an integer number (16503707892).

Almost surely, 2^63264213563 is an apocalyptic number.

63264213563 is a deficient number, since it is larger than the sum of its proper divisors (2750618005).

63264213563 is a wasteful number, since it uses less digits than its factorization.

63264213563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2750618004.

The product of its digits is 466560, while the sum is 41.

Adding to 63264213563 its reverse (36531246236), we get a palindrome (99795459799).

The spelling of 63264213563 in words is "sixty-three billion, two hundred sixty-four million, two hundred thirteen thousand, five hundred sixty-three".