473445149 has 2 divisors, whose sum is σ = 473445150. Its totient is φ = 473445148.

The previous prime is 473445101. The next prime is 473445151. The reversal of 473445149 is 941544374.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 459888025 + 13557124 = 21445^2 + 3682^2 .

It is a cyclic number.

It is not a de Polignac number, because 473445149 - 2⁸ = 473444893 is a prime.

It is a super-2 number, since 2×473445149² = 448300618223264402, which contains 22 as substring.

It is a Sophie Germain prime.

Together with 473445151, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (473444149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 236722574 + 236722575.

It is an arithmetic number, because the mean of its divisors is an integer number (236722575).

Almost surely, 2^473445149 is an apocalyptic number.

It is an amenable number.

473445149 is a deficient number, since it is larger than the sum of its proper divisors (1).

473445149 is an equidigital number, since it uses as much as digits as its factorization.

473445149 is an evil number, because the sum of its binary digits is even.

The product of its digits is 241920, while the sum is 41.

The square root of 473445149 is about 21758.7947506290. The cubic root of 473445149 is about 779.3931006678.

The spelling of 473445149 in words is "four hundred seventy-three million, four hundred forty-five thousand, one hundred forty-nine".