513680894896 has 80 divisors (see below), whose sum is σ = 1118648401920. Its totient is φ = 226728311040.

The previous prime is 513680894821. The next prime is 513680894899. The reversal of 513680894896 is 698498086315.

It is not an unprimeable number, because it can be changed into a prime (513680894899) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33437265 + ... + 33452623.

It is an arithmetic number, because the mean of its divisors is an integer number (13983105024).

Almost surely, 2^513680894896 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 513680894896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (559324200960).

513680894896 is an abundant number, since it is smaller than the sum of its proper divisors (604967507024).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

513680894896 is a wasteful number, since it uses less digits than its factorization.

513680894896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22394 (or 22388 counting only the distinct ones).

The product of its (nonzero) digits is 89579520, while the sum is 67.

The spelling of 513680894896 in words is "five hundred thirteen billion, six hundred eighty million, eight hundred ninety-four thousand, eight hundred ninety-six".