63221612236 has 24 divisors (see below), whose sum is σ = 113240945664. Its totient is φ = 30867448080.

The previous prime is 63221612231. The next prime is 63221612243.

63221612236 is nontrivially palindromic in base 10.

It is not an unprimeable number, because it can be changed into a prime (63221612231) 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, 625701 + ... + 719683.

It is an arithmetic number, because the mean of its divisors is an integer number (4718372736).

Almost surely, 2^63221612236 is an apocalyptic number.

It is an amenable number.

63221612236 is a deficient number, since it is larger than the sum of its proper divisors (50019333428).

63221612236 is a wasteful number, since it uses less digits than its factorization.

63221612236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97941 (or 97939 counting only the distinct ones).

The product of its digits is 31104, while the sum is 34.

The spelling of 63221612236 in words is "sixty-three billion, two hundred twenty-one million, six hundred twelve thousand, two hundred thirty-six".