513643362041 has 4 divisors (see below), whose sum is σ = 530212502784. Its totient is φ = 497074221300.

The previous prime is 513643361993. The next prime is 513643362049. The reversal of 513643362041 is 140263346315.

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 not a de Polignac number, because 513643362041 - 2³⁴ = 496463492857 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 = 513643361986 and 513643362004.

It is not an unprimeable number, because it can be changed into a prime (513643362049) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8284570325 + ... + 8284570386.

It is an arithmetic number, because the mean of its divisors is an integer number (132553125696).

Almost surely, 2^513643362041 is an apocalyptic number.

It is an amenable number.

513643362041 is a deficient number, since it is larger than the sum of its proper divisors (16569140743).

513643362041 is a wasteful number, since it uses less digits than its factorization.

513643362041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16569140742.

The product of its (nonzero) digits is 155520, while the sum is 38.

The spelling of 513643362041 in words is "five hundred thirteen billion, six hundred forty-three million, three hundred sixty-two thousand, forty-one".