479941021 has 4 divisors (see below), whose sum is σ = 548504032. Its totient is φ = 411378012.

The previous prime is 479941009. The next prime is 479941027. The reversal of 479941021 is 120149974.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 479941021 - 2⁹ = 479940509 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 (479941027) 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, 34281495 + ... + 34281508.

It is an arithmetic number, because the mean of its divisors is an integer number (137126008).

Almost surely, 2^479941021 is an apocalyptic number.

It is an amenable number.

479941021 is a deficient number, since it is larger than the sum of its proper divisors (68563011).

479941021 is an equidigital number, since it uses as much as digits as its factorization.

479941021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68563010.

The product of its (nonzero) digits is 18144, while the sum is 37.

The square root of 479941021 is about 21907.5562534939. The cubic root of 479941021 is about 782.9414581732.

The spelling of 479941021 in words is "four hundred seventy-nine million, nine hundred forty-one thousand, twenty-one".