513222162689 has 2 divisors, whose sum is σ = 513222162690. Its totient is φ = 513222162688.

The previous prime is 513222162683. The next prime is 513222162721. The reversal of 513222162689 is 986261222315.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 507253055089 + 5969107600 = 712217^2 + 77260^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-513222162689 is a prime.

It is not a weakly prime, because it can be changed into another prime (513222162683) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 256611081344 + 256611081345.

It is an arithmetic number, because the mean of its divisors is an integer number (256611081345).

Almost surely, 2^513222162689 is an apocalyptic number.

It is an amenable number.

513222162689 is a deficient number, since it is larger than the sum of its proper divisors (1).

513222162689 is an equidigital number, since it uses as much as digits as its factorization.

513222162689 is an evil number, because the sum of its binary digits is even.

The product of its digits is 622080, while the sum is 47.

The spelling of 513222162689 in words is "five hundred thirteen billion, two hundred twenty-two million, one hundred sixty-two thousand, six hundred eighty-nine".