513214223671 has 2 divisors, whose sum is σ = 513214223672. Its totient is φ = 513214223670.

The previous prime is 513214223623. The next prime is 513214223701. The reversal of 513214223671 is 176322412315.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-513214223671 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 513214223671.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (513214233671) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 256607111835 + 256607111836.

It is an arithmetic number, because the mean of its divisors is an integer number (256607111836).

Almost surely, 2^513214223671 is an apocalyptic number.

513214223671 is a deficient number, since it is larger than the sum of its proper divisors (1).

513214223671 is an equidigital number, since it uses as much as digits as its factorization.

513214223671 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 60480, while the sum is 37.

Adding to 513214223671 its reverse (176322412315), we get a palindrome (689536635986).

The spelling of 513214223671 in words is "five hundred thirteen billion, two hundred fourteen million, two hundred twenty-three thousand, six hundred seventy-one".