479643619 has 16 divisors (see below), whose sum is σ = 621402880. Its totient is φ = 359523360.

The previous prime is 479643607. The next prime is 479643641. The reversal of 479643619 is 916346974.

It is not a de Polignac number, because 479643619 - 2⁹ = 479643107 is a prime.

It is a super-2 number, since 2×479643619² = 460116002494834322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (479644619) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 136977 + ... + 140434.

It is an arithmetic number, because the mean of its divisors is an integer number (38837680).

Almost surely, 2^479643619 is an apocalyptic number.

479643619 is a deficient number, since it is larger than the sum of its proper divisors (141759261).

479643619 is a wasteful number, since it uses less digits than its factorization.

479643619 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 277450.

The product of its digits is 979776, while the sum is 49.

The square root of 479643619 is about 21900.7675436273. The cubic root of 479643619 is about 782.7797046397.

The spelling of 479643619 in words is "four hundred seventy-nine million, six hundred forty-three thousand, six hundred nineteen".