473149903 has 2 divisors, whose sum is σ = 473149904. Its totient is φ = 473149902.

The previous prime is 473149879. The next prime is 473149991. The reversal of 473149903 is 309941374.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-473149903 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (473149003) 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, 236574951 + 236574952.

It is an arithmetic number, because the mean of its divisors is an integer number (236574952).

Almost surely, 2^473149903 is an apocalyptic number.

473149903 is a deficient number, since it is larger than the sum of its proper divisors (1).

473149903 is an equidigital number, since it uses as much as digits as its factorization.

473149903 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 81648, while the sum is 40.

The square root of 473149903 is about 21752.0091715685. The cubic root of 473149903 is about 779.2310540568.

The spelling of 473149903 in words is "four hundred seventy-three million, one hundred forty-nine thousand, nine hundred three".