513240666341 has 8 divisors (see below), whose sum is σ = 554003138304. Its totient is φ = 472661397360.

The previous prime is 513240666313. The next prime is 513240666343. The reversal of 513240666341 is 143666042315.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 513240666341 - 2¹⁸ = 513240404197 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (513240666343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45794921 + ... + 45806126.

It is an arithmetic number, because the mean of its divisors is an integer number (69250392288).

Almost surely, 2^513240666341 is an apocalyptic number.

It is an amenable number.

513240666341 is a deficient number, since it is larger than the sum of its proper divisors (40762471963).

513240666341 is a wasteful number, since it uses less digits than its factorization.

513240666341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91601491.

The product of its (nonzero) digits is 311040, while the sum is 41.

The spelling of 513240666341 in words is "five hundred thirteen billion, two hundred forty million, six hundred sixty-six thousand, three hundred forty-one".