513536336441 has 4 divisors (see below), whose sum is σ = 513930456192. Its totient is φ = 513142216692.

The previous prime is 513536336407. The next prime is 513536336479. The reversal of 513536336441 is 144633635315.

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 a de Polignac number, because none of the positive numbers 2^k-513536336441 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 513536336392 and 513536336401.

It is not an unprimeable number, because it can be changed into a prime (513536335441) 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, 197057921 + ... + 197060526.

It is an arithmetic number, because the mean of its divisors is an integer number (128482614048).

Almost surely, 2^513536336441 is an apocalyptic number.

It is an amenable number.

513536336441 is a deficient number, since it is larger than the sum of its proper divisors (394119751).

513536336441 is a wasteful number, since it uses less digits than its factorization.

513536336441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 394119750.

The product of its digits is 1166400, while the sum is 44.

The spelling of 513536336441 in words is "five hundred thirteen billion, five hundred thirty-six million, three hundred thirty-six thousand, four hundred forty-one".