605621224687 has 2 divisors, whose sum is σ = 605621224688. Its totient is φ = 605621224686.

The previous prime is 605621224631. The next prime is 605621224721. The reversal of 605621224687 is 786422126506.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-605621224687 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 605621224687.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (605621264687) 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, 302810612343 + 302810612344.

It is an arithmetic number, because the mean of its divisors is an integer number (302810612344).

Almost surely, 2^605621224687 is an apocalyptic number.

605621224687 is a deficient number, since it is larger than the sum of its proper divisors (1).

605621224687 is an equidigital number, since it uses as much as digits as its factorization.

605621224687 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1935360, while the sum is 49.

The spelling of 605621224687 in words is "six hundred five billion, six hundred twenty-one million, two hundred twenty-four thousand, six hundred eighty-seven".