473664291 has 4 divisors (see below), whose sum is σ = 631552392. Its totient is φ = 315776192.

The previous prime is 473664197. The next prime is 473664311. The reversal of 473664291 is 192466374.

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

It is a cyclic number.

It is not a de Polignac number, because 473664291 - 2¹⁴ = 473647907 is a prime.

It is not an unprimeable number, because it can be changed into a prime (473664391) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 78944046 + ... + 78944051.

It is an arithmetic number, because the mean of its divisors is an integer number (157888098).

Almost surely, 2^473664291 is an apocalyptic number.

473664291 is a deficient number, since it is larger than the sum of its proper divisors (157888101).

473664291 is a wasteful number, since it uses less digits than its factorization.

473664291 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157888100.

The product of its digits is 217728, while the sum is 42.

The square root of 473664291 is about 21763.8298789528. The cubic root of 473664291 is about 779.5133338266.

The spelling of 473664291 in words is "four hundred seventy-three million, six hundred sixty-four thousand, two hundred ninety-one".