472047221473 has 2 divisors, whose sum is σ = 472047221474. Its totient is φ = 472047221472.

The previous prime is 472047221329. The next prime is 472047221521. The reversal of 472047221473 is 374122740274.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 236344739409 + 235702482064 = 486153^2 + 485492^2 .

It is a cyclic number.

It is not a de Polignac number, because 472047221473 - 2¹⁷ = 472047090401 is a prime.

It is not a weakly prime, because it can be changed into another prime (472047221273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 236023610736 + 236023610737.

It is an arithmetic number, because the mean of its divisors is an integer number (236023610737).

Almost surely, 2^472047221473 is an apocalyptic number.

It is an amenable number.

472047221473 is a deficient number, since it is larger than the sum of its proper divisors (1).

472047221473 is an equidigital number, since it uses as much as digits as its factorization.

472047221473 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 526848, while the sum is 43.

The spelling of 472047221473 in words is "four hundred seventy-two billion, forty-seven million, two hundred twenty-one thousand, four hundred seventy-three".