473663965 has 4 divisors (see below), whose sum is σ = 568396764. Its totient is φ = 378931168.

The previous prime is 473663941. The next prime is 473664031. The reversal of 473663965 is 569366374.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 349764804 + 123899161 = 18702^2 + 11131^2 .

It is a cyclic number.

It is not a de Polignac number, because 473663965 - 2⁹ = 473663453 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 47366392 + ... + 47366401.

It is an arithmetic number, because the mean of its divisors is an integer number (142099191).

Almost surely, 2^473663965 is an apocalyptic number.

It is an amenable number.

473663965 is a deficient number, since it is larger than the sum of its proper divisors (94732799).

473663965 is an equidigital number, since it uses as much as digits as its factorization.

473663965 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94732798.

The product of its digits is 2449440, while the sum is 49.

The square root of 473663965 is about 21763.8223894609. The cubic root of 473663965 is about 779.5131549929.

The spelling of 473663965 in words is "four hundred seventy-three million, six hundred sixty-three thousand, nine hundred sixty-five".