504606355513 has 4 divisors (see below), whose sum is σ = 543422229028. Its totient is φ = 465790482000.

The previous prime is 504606355511. The next prime is 504606355531. The reversal of 504606355513 is 315553606405.

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 308332546729 + 196273808784 = 555277^2 + 443028^2 .

It is a cyclic number.

It is not a de Polignac number, because 504606355513 - 2¹ = 504606355511 is a prime.

It is a super-2 number, since 2×504606355513² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 504606355513.

It is not an unprimeable number, because it can be changed into a prime (504606355511) 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, 19407936738 + ... + 19407936763.

It is an arithmetic number, because the mean of its divisors is an integer number (135855557257).

Almost surely, 2^504606355513 is an apocalyptic number.

It is an amenable number.

504606355513 is a deficient number, since it is larger than the sum of its proper divisors (38815873515).

504606355513 is a wasteful number, since it uses less digits than its factorization.

504606355513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38815873514.

The product of its (nonzero) digits is 810000, while the sum is 43.

The spelling of 504606355513 in words is "five hundred four billion, six hundred six million, three hundred fifty-five thousand, five hundred thirteen".