513550046045 has 4 divisors (see below), whose sum is σ = 616260055260. Its totient is φ = 410840036832.

The previous prime is 513550046011. The next prime is 513550046057. The reversal of 513550046045 is 540640055315.

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

It can be written as a sum of positive squares in 2 ways, for example, as 56890359289 + 456659686756 = 238517^2 + 675766^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-513550046045 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51355004600 + ... + 51355004609.

It is an arithmetic number, because the mean of its divisors is an integer number (154065013815).

Almost surely, 2^513550046045 is an apocalyptic number.

It is an amenable number.

513550046045 is a deficient number, since it is larger than the sum of its proper divisors (102710009215).

513550046045 is a wasteful number, since it uses less digits than its factorization.

513550046045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102710009214.

The product of its (nonzero) digits is 180000, while the sum is 38.

The spelling of 513550046045 in words is "five hundred thirteen billion, five hundred fifty million, forty-six thousand, forty-five".