506013352640549 has 16 divisors (see below), whose sum is σ = 577008473578992. Its totient is φ = 439601317198848.

The previous prime is 506013352640539. The next prime is 506013352640563. The reversal of 506013352640549 is 945046253310605.

It can be written as a sum of positive squares in 8 ways, for example, as 4705506731524 + 501307845909025 = 2169218^2 + 22389905^2 .

It is a cyclic number.

It is not a de Polignac number, because 506013352640549 - 2²⁰ = 506013351591973 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 506013352640549.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (506013352640539) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23436194 + ... + 39513059.

It is an arithmetic number, because the mean of its divisors is an integer number (36063029598687).

Almost surely, 2^{506013352640549} is an apocalyptic number.

It is an amenable number.

506013352640549 is a deficient number, since it is larger than the sum of its proper divisors (70995120938443).

506013352640549 is a wasteful number, since it uses less digits than its factorization.

506013352640549 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62985656.

The product of its (nonzero) digits is 11664000, while the sum is 53.

The spelling of 506013352640549 in words is "five hundred six trillion, thirteen billion, three hundred fifty-two million, six hundred forty thousand, five hundred forty-nine".