513044343442 has 16 divisors (see below), whose sum is σ = 828645901920. Its totient is φ = 237340552768.

The previous prime is 513044343437. The next prime is 513044343457. The reversal of 513044343442 is 244343440315.

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 in 7 ways as a sum of consecutive naturals, for example, 127875448 + ... + 127879459.

It is an arithmetic number, because the mean of its divisors is an integer number (51790368870).

Almost surely, 2^513044343442 is an apocalyptic number.

513044343442 is a deficient number, since it is larger than the sum of its proper divisors (315601558478).

513044343442 is a wasteful number, since it uses less digits than its factorization.

513044343442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255754985.

The product of its (nonzero) digits is 276480, while the sum is 37.

Adding to 513044343442 its reverse (244343440315), we get a palindrome (757387783757).

The spelling of 513044343442 in words is "five hundred thirteen billion, forty-four million, three hundred forty-three thousand, four hundred forty-two".