479197489 has 4 divisors (see below), whose sum is σ = 485263360. Its totient is φ = 473131620.

The previous prime is 479197483. The next prime is 479197493. The reversal of 479197489 is 984791974.

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 479197489 - 2¹¹ = 479195441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (479197483) 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 3 ways as a sum of consecutive naturals, for example, 3032817 + ... + 3032974.

It is an arithmetic number, because the mean of its divisors is an integer number (121315840).

Almost surely, 2^479197489 is an apocalyptic number.

It is an amenable number.

479197489 is a deficient number, since it is larger than the sum of its proper divisors (6065871).

479197489 is an equidigital number, since it uses as much as digits as its factorization.

479197489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6065870.

The product of its digits is 4572288, while the sum is 58.

The square root of 479197489 is about 21890.5799146574. The cubic root of 479197489 is about 782.5369342262.

The spelling of 479197489 in words is "four hundred seventy-nine million, one hundred ninety-seven thousand, four hundred eighty-nine".