513513342635 has 4 divisors (see below), whose sum is σ = 616216011168. Its totient is φ = 410810674104.

The previous prime is 513513342631. The next prime is 513513342653. The reversal of 513513342635 is 536243315315.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 513513342635 - 2² = 513513342631 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 513513342592 and 513513342601.

It is not an unprimeable number, because it can be changed into a prime (513513342631) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51351334259 + ... + 51351334268.

It is an arithmetic number, because the mean of its divisors is an integer number (154054002792).

Almost surely, 2^513513342635 is an apocalyptic number.

513513342635 is a deficient number, since it is larger than the sum of its proper divisors (102702668533).

513513342635 is a wasteful number, since it uses less digits than its factorization.

513513342635 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102702668532.

The product of its digits is 486000, while the sum is 41.

The spelling of 513513342635 in words is "five hundred thirteen billion, five hundred thirteen million, three hundred forty-two thousand, six hundred thirty-five".