479956587364789 has 2 divisors, whose sum is σ = 479956587364790. Its totient is φ = 479956587364788.

The previous prime is 479956587364747. The next prime is 479956587364829. The reversal of 479956587364789 is 987463785659974.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 456623262875025 + 23333324489764 = 21368745^2 + 4830458^2 .

It is a cyclic number.

It is not a de Polignac number, because 479956587364789 - 2²³ = 479956578976181 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 479956587364789.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (479956587365789) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 239978293682394 + 239978293682395.

It is an arithmetic number, because the mean of its divisors is an integer number (239978293682395).

Almost surely, 2^{479956587364789} is an apocalyptic number.

It is an amenable number.

479956587364789 is a deficient number, since it is larger than the sum of its proper divisors (1).

479956587364789 is an equidigital number, since it uses as much as digits as its factorization.

479956587364789 is an evil number, because the sum of its binary digits is even.

The product of its digits is 691329945600, while the sum is 97.

The spelling of 479956587364789 in words is "four hundred seventy-nine trillion, nine hundred fifty-six billion, five hundred eighty-seven million, three hundred sixty-four thousand, seven hundred eighty-nine".