513344464535 has 48 divisors (see below), whose sum is σ = 736448521536. Its totient is φ = 336477402624.

The previous prime is 513344464531. The next prime is 513344464541. The reversal of 513344464535 is 535464443315.

It is a happy number.

It is not a de Polignac number, because 513344464535 - 2² = 513344464531 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 513344464535.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (513344464531) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 30300587 + ... + 30317523.

It is an arithmetic number, because the mean of its divisors is an integer number (15342677532).

Almost surely, 2^513344464535 is an apocalyptic number.

513344464535 is a deficient number, since it is larger than the sum of its proper divisors (223104057001).

513344464535 is a wasteful number, since it uses less digits than its factorization.

513344464535 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18632 (or 18609 counting only the distinct ones).

The product of its digits is 5184000, while the sum is 47.

The spelling of 513344464535 in words is "five hundred thirteen billion, three hundred forty-four million, four hundred sixty-four thousand, five hundred thirty-five".