473287584222821 has 2 divisors, whose sum is σ = 473287584222822. Its totient is φ = 473287584222820.

The previous prime is 473287584222797. The next prime is 473287584222911. The reversal of 473287584222821 is 128222485782374.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 373235777514721 + 100051806708100 = 19319311^2 + 10002590^2 .

It is a cyclic number.

It is not a de Polignac number, because 473287584222821 - 2²² = 473287580028517 is a prime.

It is a super-2 number, since 2×473287584222821² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (473287584222721) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 236643792111410 + 236643792111411.

It is an arithmetic number, because the mean of its divisors is an integer number (236643792111411).

Almost surely, 2^{473287584222821} is an apocalyptic number.

It is an amenable number.

473287584222821 is a deficient number, since it is larger than the sum of its proper divisors (1).

473287584222821 is an equidigital number, since it uses as much as digits as its factorization.

473287584222821 is an evil number, because the sum of its binary digits is even.

The product of its digits is 192675840, while the sum is 65.

The spelling of 473287584222821 in words is "four hundred seventy-three trillion, two hundred eighty-seven billion, five hundred eighty-four million, two hundred twenty-two thousand, eight hundred twenty-one".