513664350464 has 36 divisors (see below), whose sum is σ = 1026019975680. Its totient is φ = 256657390080.

The previous prime is 513664350439. The next prime is 513664350473. The reversal of 513664350464 is 464053466315.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 305444 + ... + 1058595.

It is an arithmetic number, because the mean of its divisors is an integer number (28500554880).

Almost surely, 2^513664350464 is an apocalyptic number.

It is an amenable number.

513664350464 is a deficient number, since it is larger than the sum of its proper divisors (512355625216).

513664350464 is a wasteful number, since it uses less digits than its factorization.

513664350464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1365526 (or 1365512 counting only the distinct ones).

The product of its (nonzero) digits is 3110400, while the sum is 47.

The spelling of 513664350464 in words is "five hundred thirteen billion, six hundred sixty-four million, three hundred fifty thousand, four hundred sixty-four".