513504443342 has 16 divisors (see below), whose sum is σ = 889708234032. Its totient is φ = 219681045120.

The previous prime is 513504443327. The next prime is 513504443371. The reversal of 513504443342 is 243344405315.

It is a junction number, because it is equal to n+sod(n) for n = 513504443296 and 513504443305.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 686502893 + ... + 686503640.

It is an arithmetic number, because the mean of its divisors is an integer number (55606764627).

Almost surely, 2^513504443342 is an apocalyptic number.

513504443342 is a deficient number, since it is larger than the sum of its proper divisors (376203790690).

513504443342 is a wasteful number, since it uses less digits than its factorization.

513504443342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1373006563.

The product of its (nonzero) digits is 345600, while the sum is 38.

Adding to 513504443342 its reverse (243344405315), we get a palindrome (756848848657).

The spelling of 513504443342 in words is "five hundred thirteen billion, five hundred four million, four hundred forty-three thousand, three hundred forty-two".