465561004589 has 2 divisors, whose sum is σ = 465561004590. Its totient is φ = 465561004588.

The previous prime is 465561004553. The next prime is 465561004591. The reversal of 465561004589 is 985400165564.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 463839999364 + 1721005225 = 681058^2 + 41485^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-465561004589 is a prime.

Together with 465561004591, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 465561004589.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (465561004189) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 232780502294 + 232780502295.

It is an arithmetic number, because the mean of its divisors is an integer number (232780502295).

Almost surely, 2^465561004589 is an apocalyptic number.

It is an amenable number.

465561004589 is a deficient number, since it is larger than the sum of its proper divisors (1).

465561004589 is an equidigital number, since it uses as much as digits as its factorization.

465561004589 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5184000, while the sum is 53.

The spelling of 465561004589 in words is "four hundred sixty-five billion, five hundred sixty-one million, four thousand, five hundred eighty-nine".