513550046323 has 4 divisors (see below), whose sum is σ = 531258668640. Its totient is φ = 495841424008.

The previous prime is 513550046287. The next prime is 513550046389. The reversal of 513550046323 is 323640055315.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-513550046323 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (513550046393) 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, 8854311115 + ... + 8854311172.

It is an arithmetic number, because the mean of its divisors is an integer number (132814667160).

Almost surely, 2^513550046323 is an apocalyptic number.

513550046323 is a deficient number, since it is larger than the sum of its proper divisors (17708622317).

513550046323 is a wasteful number, since it uses less digits than its factorization.

513550046323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17708622316.

The product of its (nonzero) digits is 162000, while the sum is 37.

The spelling of 513550046323 in words is "five hundred thirteen billion, five hundred fifty million, forty-six thousand, three hundred twenty-three".