479363789 has 2 divisors, whose sum is σ = 479363790. Its totient is φ = 479363788.

The previous prime is 479363779. The next prime is 479363827. The reversal of 479363789 is 987363974.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 346146025 + 133217764 = 18605^2 + 11542^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-479363789 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (479363719) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 239681894 + 239681895.

It is an arithmetic number, because the mean of its divisors is an integer number (239681895).

Almost surely, 2^479363789 is an apocalyptic number.

It is an amenable number.

479363789 is a deficient number, since it is larger than the sum of its proper divisors (1).

479363789 is an equidigital number, since it uses as much as digits as its factorization.

479363789 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6858432, while the sum is 56.

The square root of 479363789 is about 21894.3780226797. The cubic root of 479363789 is about 782.6274472499.

The spelling of 479363789 in words is "four hundred seventy-nine million, three hundred sixty-three thousand, seven hundred eighty-nine".