513308475866 has 16 divisors (see below), whose sum is σ = 775467754080. Its totient is φ = 254821759920.

The previous prime is 513308475863. The next prime is 513308475871. The reversal of 513308475866 is 668574803315.

It is not an unprimeable number, because it can be changed into a prime (513308475863) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 227756 + ... + 1038503.

It is an arithmetic number, because the mean of its divisors is an integer number (48466734630).

Almost surely, 2^513308475866 is an apocalyptic number.

513308475866 is a deficient number, since it is larger than the sum of its proper divisors (262159278214).

513308475866 is a wasteful number, since it uses less digits than its factorization.

513308475866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1267709.

The product of its (nonzero) digits is 14515200, while the sum is 56.

The spelling of 513308475866 in words is "five hundred thirteen billion, three hundred eight million, four hundred seventy-five thousand, eight hundred sixty-six".