420500314589 has 2 divisors, whose sum is σ = 420500314590. Its totient is φ = 420500314588.

The previous prime is 420500314477. The next prime is 420500314601. The reversal of 420500314589 is 985413005024.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 268591354564 + 151908960025 = 518258^2 + 389755^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-420500314589 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (420500314789) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 210250157294 + 210250157295.

It is an arithmetic number, because the mean of its divisors is an integer number (210250157295).

Almost surely, 2^420500314589 is an apocalyptic number.

It is an amenable number.

420500314589 is a deficient number, since it is larger than the sum of its proper divisors (1).

420500314589 is an equidigital number, since it uses as much as digits as its factorization.

420500314589 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 172800, while the sum is 41.

The spelling of 420500314589 in words is "four hundred twenty billion, five hundred million, three hundred fourteen thousand, five hundred eighty-nine".