513844680842 has 16 divisors (see below), whose sum is σ = 797400979200. Its totient is φ = 248045594160.

The previous prime is 513844680841. The next prime is 513844680907. The reversal of 513844680842 is 248086448315.

It is not an unprimeable number, because it can be changed into a prime (513844680841) 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, 546467 + ... + 1151657.

It is an arithmetic number, because the mean of its divisors is an integer number (49837561200).

Almost surely, 2^513844680842 is an apocalyptic number.

513844680842 is a deficient number, since it is larger than the sum of its proper divisors (283556298358).

513844680842 is a wasteful number, since it uses less digits than its factorization.

513844680842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 619861.

The product of its (nonzero) digits is 5898240, while the sum is 53.

The spelling of 513844680842 in words is "five hundred thirteen billion, eight hundred forty-four million, six hundred eighty thousand, eight hundred forty-two".