473309477 has 2 divisors, whose sum is σ = 473309478. Its totient is φ = 473309476.

The previous prime is 473309413. The next prime is 473309491. The reversal of 473309477 is 774903374.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 432681601 + 40627876 = 20801^2 + 6374^2 .

It is a cyclic number.

It is not a de Polignac number, because 473309477 - 2⁶ = 473309413 is a prime.

It is a super-2 number, since 2×473309477² = 448043722036027058, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (473309407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 236654738 + 236654739.

It is an arithmetic number, because the mean of its divisors is an integer number (236654739).

Almost surely, 2^473309477 is an apocalyptic number.

It is an amenable number.

473309477 is a deficient number, since it is larger than the sum of its proper divisors (1).

473309477 is an equidigital number, since it uses as much as digits as its factorization.

473309477 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 444528, while the sum is 44.

The square root of 473309477 is about 21755.6768913311. The cubic root of 473309477 is about 779.3186450713.

The spelling of 473309477 in words is "four hundred seventy-three million, three hundred nine thousand, four hundred seventy-seven".