63264221189 has 4 divisors (see below), whose sum is σ = 68130699756. Its totient is φ = 58397742624.

The previous prime is 63264221183. The next prime is 63264221197. The reversal of 63264221189 is 98112246236.

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

It can be written as a sum of positive squares in 2 ways, for example, as 25528050625 + 37736170564 = 159775^2 + 194258^2 .

It is not a de Polignac number, because 63264221189 - 2²⁸ = 62995785733 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 (63264221183) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2433239264 + ... + 2433239289.

It is an arithmetic number, because the mean of its divisors is an integer number (17032674939).

Almost surely, 2^63264221189 is an apocalyptic number.

It is an amenable number.

63264221189 is a deficient number, since it is larger than the sum of its proper divisors (4866478567).

63264221189 is a wasteful number, since it uses less digits than its factorization.

63264221189 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4866478566.

The product of its digits is 248832, while the sum is 44.

The spelling of 63264221189 in words is "sixty-three billion, two hundred sixty-four million, two hundred twenty-one thousand, one hundred eighty-nine".