512561322494 has 8 divisors (see below), whose sum is σ = 827983674840. Its totient is φ = 236566764216.

The previous prime is 512561322473. The next prime is 512561322499. The reversal of 512561322494 is 494223165215.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (512561322499) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 9856948484 + ... + 9856948535.

It is an arithmetic number, because the mean of its divisors is an integer number (103497959355).

Almost surely, 2^512561322494 is an apocalyptic number.

512561322494 is a deficient number, since it is larger than the sum of its proper divisors (315422352346).

512561322494 is a wasteful number, since it uses less digits than its factorization.

512561322494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19713897034.

The product of its digits is 518400, while the sum is 44.

The spelling of 512561322494 in words is "five hundred twelve billion, five hundred sixty-one million, three hundred twenty-two thousand, four hundred ninety-four".