512353431650 has 12 divisors (see below), whose sum is σ = 952977382962. Its totient is φ = 204941372640.

The previous prime is 512353431647. The next prime is 512353431673. The reversal of 512353431650 is 56134353215.

It can be written as a sum of positive squares in 3 ways, for example, as 378031914649 + 134321517001 = 614843^2 + 366499^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5123534267 + ... + 5123534366.

Almost surely, 2^512353431650 is an apocalyptic number.

512353431650 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

512353431650 is a deficient number, since it is larger than the sum of its proper divisors (440623951312).

512353431650 is a wasteful number, since it uses less digits than its factorization.

512353431650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10247068645 (or 10247068640 counting only the distinct ones).

The product of its (nonzero) digits is 162000, while the sum is 38.

Adding to 512353431650 its reverse (56134353215), we get a palindrome (568487784865).

The spelling of 512353431650 in words is "five hundred twelve billion, three hundred fifty-three million, four hundred thirty-one thousand, six hundred fifty".