513534432043 has 4 divisors (see below), whose sum is σ = 513537480688. Its totient is φ = 513531383400.

The previous prime is 513534432041. The next prime is 513534432077. The reversal of 513534432043 is 340234435315.

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 513534432043 - 2¹ = 513534432041 is a prime.

It is a super-2 number, since 2×513534432043² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 513534431993 and 513534432011.

It is not an unprimeable number, because it can be changed into a prime (513534432041) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 1255896 + ... + 1613797.

It is an arithmetic number, because the mean of its divisors is an integer number (128384370172).

Almost surely, 2^513534432043 is an apocalyptic number.

513534432043 is a deficient number, since it is larger than the sum of its proper divisors (3048645).

513534432043 is a wasteful number, since it uses less digits than its factorization.

513534432043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3048644.

The product of its (nonzero) digits is 259200, while the sum is 37.

Adding to 513534432043 its reverse (340234435315), we get a palindrome (853768867358).

The spelling of 513534432043 in words is "five hundred thirteen billion, five hundred thirty-four million, four hundred thirty-two thousand, forty-three".