513226900856 has 8 divisors (see below), whose sum is σ = 962300439120. Its totient is φ = 256613450424.

The previous prime is 513226900807. The next prime is 513226900891. The reversal of 513226900856 is 658009622315.

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 513226900856.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32076681296 + ... + 32076681311.

It is an arithmetic number, because the mean of its divisors is an integer number (120287554890).

Almost surely, 2^513226900856 is an apocalyptic number.

It is an amenable number.

513226900856 is a deficient number, since it is larger than the sum of its proper divisors (449073538264).

513226900856 is a wasteful number, since it uses less digits than its factorization.

513226900856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64153362613 (or 64153362609 counting only the distinct ones).

The product of its (nonzero) digits is 777600, while the sum is 47.

The spelling of 513226900856 in words is "five hundred thirteen billion, two hundred twenty-six million, nine hundred thousand, eight hundred fifty-six".