479830019 has 4 divisors (see below), whose sum is σ = 480166296. Its totient is φ = 479493744.

The previous prime is 479829989. The next prime is 479830037. The reversal of 479830019 is 910038974.

It is a happy number.

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 479830019 - 2²⁸ = 211394563 is a prime.

It is a super-2 number, since 2×479830019² = 460473694267080722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (479830069) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 165989 + ... + 168854.

It is an arithmetic number, because the mean of its divisors is an integer number (120041574).

Almost surely, 2^479830019 is an apocalyptic number.

479830019 is a deficient number, since it is larger than the sum of its proper divisors (336277).

479830019 is a wasteful number, since it uses less digits than its factorization.

479830019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 336276.

The product of its (nonzero) digits is 54432, while the sum is 41.

The square root of 479830019 is about 21905.0226888721. The cubic root of 479830019 is about 782.8810932777.

The spelling of 479830019 in words is "four hundred seventy-nine million, eight hundred thirty thousand, nineteen".