481922386821 has 24 divisors (see below), whose sum is σ = 706833167040. Its totient is φ = 316344268800.

The previous prime is 481922386789. The next prime is 481922386861. The reversal of 481922386821 is 128683229184.

481922386821 is a `hidden beast` number, since 481 + 9 + 2 + 2 + 3 + 86 + 82 + 1 = 666.

It is not a de Polignac number, because 481922386821 - 2⁵ = 481922386789 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (481922386861) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1026 + ... + 981756.

It is an arithmetic number, because the mean of its divisors is an integer number (29451381960).

Almost surely, 2^481922386821 is an apocalyptic number.

It is an amenable number.

481922386821 is a deficient number, since it is larger than the sum of its proper divisors (224910780219).

481922386821 is a wasteful number, since it uses less digits than its factorization.

481922386821 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 981577 (or 981574 counting only the distinct ones).

The product of its digits is 2654208, while the sum is 54.

The spelling of 481922386821 in words is "four hundred eighty-one billion, nine hundred twenty-two million, three hundred eighty-six thousand, eight hundred twenty-one".