473646863 has 4 divisors (see below), whose sum is σ = 476663880. Its totient is φ = 470629848.

The previous prime is 473646851. The next prime is 473646913. The reversal of 473646863 is 368646374.

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 473646863 - 2⁴ = 473646847 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (473646263) 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, 1508273 + ... + 1508586.

It is an arithmetic number, because the mean of its divisors is an integer number (119165970).

Almost surely, 2^473646863 is an apocalyptic number.

473646863 is a deficient number, since it is larger than the sum of its proper divisors (3017017).

473646863 is a wasteful number, since it uses less digits than its factorization.

473646863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3017016.

The product of its digits is 1741824, while the sum is 47.

The square root of 473646863 is about 21763.4294861816. The cubic root of 473646863 is about 779.5037732403.

The spelling of 473646863 in words is "four hundred seventy-three million, six hundred forty-six thousand, eight hundred sixty-three".