63264621963 has 16 divisors (see below), whose sum is σ = 86643317376. Its totient is φ = 41046339840.

The previous prime is 63264621947. The next prime is 63264621971. The reversal of 63264621963 is 36912646236.

It is not a de Polignac number, because 63264621963 - 2⁴ = 63264621947 is a prime.

It is a super-3 number, since 3×63264621963³ (a number of 33 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (63264621163) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1879398 + ... + 1912763.

It is an arithmetic number, because the mean of its divisors is an integer number (5415207336).

Almost surely, 2^63264621963 is an apocalyptic number.

63264621963 is a deficient number, since it is larger than the sum of its proper divisors (23378695413).

63264621963 is a wasteful number, since it uses less digits than its factorization.

63264621963 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3792314.

The product of its digits is 1679616, while the sum is 48.

The spelling of 63264621963 in words is "sixty-three billion, two hundred sixty-four million, six hundred twenty-one thousand, nine hundred sixty-three".