513563322242 has 12 divisors (see below), whose sum is σ = 795996432198. Its totient is φ = 248498380800.

The previous prime is 513563322229. The next prime is 513563322257. The reversal of 513563322242 is 242223365315.

It can be written as a sum of positive squares in only one way, i.e., 302468100841 + 211095221401 = 549971^2 + 459451^2 .

It is a junction number, because it is equal to n+sod(n) for n = 513563322196 and 513563322205.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 133599359 + ... + 133603202.

Almost surely, 2^513563322242 is an apocalyptic number.

513563322242 is a deficient number, since it is larger than the sum of its proper divisors (282433109956).

513563322242 is a wasteful number, since it uses less digits than its factorization.

513563322242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 267202625 (or 267202594 counting only the distinct ones).

The product of its digits is 259200, while the sum is 38.

Adding to 513563322242 its reverse (242223365315), we get a palindrome (755786687557).

The spelling of 513563322242 in words is "five hundred thirteen billion, five hundred sixty-three million, three hundred twenty-two thousand, two hundred forty-two".