513164356543 has 4 divisors (see below), whose sum is σ = 514593784080. Its totient is φ = 511734929008.

The previous prime is 513164356541. The next prime is 513164356559. The reversal of 513164356543 is 345653461315.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 513164356543 - 2¹ = 513164356541 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 513164356493 and 513164356502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (513164356541) 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, 714713230 + ... + 714713947.

It is an arithmetic number, because the mean of its divisors is an integer number (128648446020).

Almost surely, 2^513164356543 is an apocalyptic number.

513164356543 is a deficient number, since it is larger than the sum of its proper divisors (1429427537).

513164356543 is a wasteful number, since it uses less digits than its factorization.

513164356543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1429427536.

The product of its digits is 1944000, while the sum is 46.

The spelling of 513164356543 in words is "five hundred thirteen billion, one hundred sixty-four million, three hundred fifty-six thousand, five hundred forty-three".