479903643 has 8 divisors (see below), whose sum is σ = 710968400. Its totient is φ = 319935744.

The previous prime is 479903609. The next prime is 479903681. The reversal of 479903643 is 346309974.

It is not a de Polignac number, because 479903643 - 2⁹ = 479903131 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (479903603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8887078 + ... + 8887131.

It is an arithmetic number, because the mean of its divisors is an integer number (88871050).

Almost surely, 2^479903643 is an apocalyptic number.

479903643 is a deficient number, since it is larger than the sum of its proper divisors (231064757).

479903643 is a wasteful number, since it uses less digits than its factorization.

479903643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17774218 (or 17774212 counting only the distinct ones).

The product of its (nonzero) digits is 489888, while the sum is 45.

The square root of 479903643 is about 21906.7031522317. The cubic root of 479903643 is about 782.9211323802.

The spelling of 479903643 in words is "four hundred seventy-nine million, nine hundred three thousand, six hundred forty-three".