513424523343453 has 4 divisors (see below), whose sum is σ = 684566031124608. Its totient is φ = 342283015562300.

The previous prime is 513424523343449. The next prime is 513424523343527. The reversal of 513424523343453 is 354343325424315.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 513424523343453 - 2² = 513424523343449 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 513424523343396 and 513424523343405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (513424523342453) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 85570753890573 + ... + 85570753890578.

It is an arithmetic number, because the mean of its divisors is an integer number (171141507781152).

Almost surely, 2^{513424523343453} is an apocalyptic number.

It is an amenable number.

513424523343453 is a deficient number, since it is larger than the sum of its proper divisors (171141507781155).

513424523343453 is a wasteful number, since it uses less digits than its factorization.

513424523343453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171141507781154.

The product of its digits is 31104000, while the sum is 51.

Adding to 513424523343453 its reverse (354343325424315), we get a palindrome (867767848767768).

The spelling of 513424523343453 in words is "five hundred thirteen trillion, four hundred twenty-four billion, five hundred twenty-three million, three hundred forty-three thousand, four hundred fifty-three".