513222204890 has 16 divisors (see below), whose sum is σ = 955655140680. Its totient is φ = 198209954880.

The previous prime is 513222204883. The next prime is 513222204917. The reversal of 513222204890 is 98402222315.

It can be written as a sum of positive squares in 4 ways, for example, as 362973715729 + 150248489161 = 602473^2 + 387619^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 884865581 + ... + 884866160.

Almost surely, 2^513222204890 is an apocalyptic number.

513222204890 is a deficient number, since it is larger than the sum of its proper divisors (442432935790).

513222204890 is a wasteful number, since it uses less digits than its factorization.

513222204890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1769731777.

The product of its (nonzero) digits is 69120, while the sum is 38.

The spelling of 513222204890 in words is "five hundred thirteen billion, two hundred twenty-two million, two hundred four thousand, eight hundred ninety".