473409481 has 2 divisors, whose sum is σ = 473409482. Its totient is φ = 473409480.

The previous prime is 473409449. The next prime is 473409509. The reversal of 473409481 is 184904374.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 407393856 + 66015625 = 20184^2 + 8125^2 .

It is a cyclic number.

It is not a de Polignac number, because 473409481 - 2⁵ = 473409449 is a prime.

It is a super-2 number, since 2×473409481² = 448233073401378722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (473409281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 236704740 + 236704741.

It is an arithmetic number, because the mean of its divisors is an integer number (236704741).

Almost surely, 2^473409481 is an apocalyptic number.

It is an amenable number.

473409481 is a deficient number, since it is larger than the sum of its proper divisors (1).

473409481 is an equidigital number, since it uses as much as digits as its factorization.

473409481 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96768, while the sum is 40.

The square root of 473409481 is about 21757.9751125880. The cubic root of 473409481 is about 779.3735277624.

The spelling of 473409481 in words is "four hundred seventy-three million, four hundred nine thousand, four hundred eighty-one".