513425544208 has 80 divisors (see below), whose sum is σ = 1015164400320. Its totient is φ = 251493580800.

The previous prime is 513425544193. The next prime is 513425544221. The reversal of 513425544208 is 802445524315.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 193088383 + ... + 193091041.

It is an arithmetic number, because the mean of its divisors is an integer number (12689555004).

Almost surely, 2^513425544208 is an apocalyptic number.

It is an amenable number.

513425544208 is a deficient number, since it is larger than the sum of its proper divisors (501738856112).

513425544208 is a wasteful number, since it uses less digits than its factorization.

513425544208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3656 (or 3650 counting only the distinct ones).

The product of its (nonzero) digits is 768000, while the sum is 43.

The spelling of 513425544208 in words is "five hundred thirteen billion, four hundred twenty-five million, five hundred forty-four thousand, two hundred eight".