63921047022 has 32 divisors (see below), whose sum is σ = 162339168000. Its totient is φ = 18263156184.

The previous prime is 63921047009. The next prime is 63921047053. The reversal of 63921047022 is 22074012936.

63921047022 is a `hidden beast` number, since 639 + 2 + 10 + 4 + 7 + 0 + 2 + 2 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 84551272 + ... + 84552027.

It is an arithmetic number, because the mean of its divisors is an integer number (5073099000).

Almost surely, 2^63921047022 is an apocalyptic number.

63921047022 is an abundant number, since it is smaller than the sum of its proper divisors (98418120978).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

63921047022 is a wasteful number, since it uses less digits than its factorization.

63921047022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169103317 (or 169103311 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 36.

Adding to 63921047022 its reverse (22074012936), we get a palindrome (85995059958).

The spelling of 63921047022 in words is "sixty-three billion, nine hundred twenty-one million, forty-seven thousand, twenty-two".