513320328244 has 24 divisors (see below), whose sum is σ = 909485998848. Its totient is φ = 253469583360.

The previous prime is 513320328233. The next prime is 513320328329. The reversal of 513320328244 is 442823023315.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 561844 + ... + 1158580.

It is an arithmetic number, because the mean of its divisors is an integer number (37895249952).

Almost surely, 2^513320328244 is an apocalyptic number.

It is an amenable number.

513320328244 is a deficient number, since it is larger than the sum of its proper divisors (396165670604).

513320328244 is a wasteful number, since it uses less digits than its factorization.

513320328244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 599415 (or 599413 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 37.

The spelling of 513320328244 in words is "five hundred thirteen billion, three hundred twenty million, three hundred twenty-eight thousand, two hundred forty-four".