920477473 has 2 divisors, whose sum is σ = 920477474. Its totient is φ = 920477472.

The previous prime is 920477407. The next prime is 920477521. The reversal of 920477473 is 374774029.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 823001344 + 97476129 = 28688^2 + 9873^2 .

It is a cyclic number.

It is not a de Polignac number, because 920477473 - 2⁹ = 920476961 is a prime.

It is not a weakly prime, because it can be changed into another prime (920474473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 460238736 + 460238737.

It is an arithmetic number, because the mean of its divisors is an integer number (460238737).

Almost surely, 2^920477473 is an apocalyptic number.

It is an amenable number.

920477473 is a deficient number, since it is larger than the sum of its proper divisors (1).

920477473 is an equidigital number, since it uses as much as digits as its factorization.

920477473 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 296352, while the sum is 43.

The square root of 920477473 is about 30339.3716645550. The cubic root of 920477473 is about 972.7570525197.

The spelling of 920477473 in words is "nine hundred twenty million, four hundred seventy-seven thousand, four hundred seventy-three".