513434345327 has 2 divisors, whose sum is σ = 513434345328. Its totient is φ = 513434345326.

The previous prime is 513434345297. The next prime is 513434345353. The reversal of 513434345327 is 723543434315.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-513434345327 is a prime.

It is a super-2 number, since 2×513434345327² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (513434345927) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 256717172663 + 256717172664.

It is an arithmetic number, because the mean of its divisors is an integer number (256717172664).

Almost surely, 2^513434345327 is an apocalyptic number.

513434345327 is a deficient number, since it is larger than the sum of its proper divisors (1).

513434345327 is an equidigital number, since it uses as much as digits as its factorization.

513434345327 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1814400, while the sum is 44.

The spelling of 513434345327 in words is "five hundred thirteen billion, four hundred thirty-four million, three hundred forty-five thousand, three hundred twenty-seven".