479662978439 has 2 divisors, whose sum is σ = 479662978440. Its totient is φ = 479662978438.

The previous prime is 479662978433. The next prime is 479662978453. The reversal of 479662978439 is 934879266974.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 479662978439 - 2¹⁶ = 479662912903 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (479662978433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 239831489219 + 239831489220.

It is an arithmetic number, because the mean of its divisors is an integer number (239831489220).

Almost surely, 2^479662978439 is an apocalyptic number.

479662978439 is a deficient number, since it is larger than the sum of its proper divisors (1).

479662978439 is an equidigital number, since it uses as much as digits as its factorization.

479662978439 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 987614208, while the sum is 74.

The spelling of 479662978439 in words is "four hundred seventy-nine billion, six hundred sixty-two million, nine hundred seventy-eight thousand, four hundred thirty-nine".