472683844221 has 16 divisors (see below), whose sum is σ = 685354002624. Its totient is φ = 288570104064.

The previous prime is 472683844211. The next prime is 472683844229. The reversal of 472683844221 is 122448386274.

472683844221 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 472683844221 - 2⁷ = 472683844093 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (472683844229) 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, 125245555 + ... + 125249328.

It is an arithmetic number, because the mean of its divisors is an integer number (42834625164).

Almost surely, 2^472683844221 is an apocalyptic number.

It is an amenable number.

472683844221 is a deficient number, since it is larger than the sum of its proper divisors (212670158403).

472683844221 is a wasteful number, since it uses less digits than its factorization.

472683844221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 250494940.

The product of its digits is 4128768, while the sum is 51.

The spelling of 472683844221 in words is "four hundred seventy-two billion, six hundred eighty-three million, eight hundred forty-four thousand, two hundred twenty-one".