5163120436613 has 4 divisors (see below), whose sum is σ = 5247761755308. Its totient is φ = 5078479117920.

The previous prime is 5163120436609. The next prime is 5163120436679. The reversal of 5163120436613 is 3166340213615.

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 2696581084129 + 2466539352484 = 1642127^2 + 1570522^2 .

It is a cyclic number.

It is not a de Polignac number, because 5163120436613 - 2² = 5163120436609 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5163120436013) 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, 42320659256 + ... + 42320659377.

It is an arithmetic number, because the mean of its divisors is an integer number (1311940438827).

Almost surely, 2^{5163120436613} is an apocalyptic number.

It is an amenable number.

5163120436613 is a deficient number, since it is larger than the sum of its proper divisors (84641318695).

5163120436613 is an equidigital number, since it uses as much as digits as its factorization.

5163120436613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84641318694.

The product of its (nonzero) digits is 233280, while the sum is 41.

The spelling of 5163120436613 in words is "five trillion, one hundred sixty-three billion, one hundred twenty million, four hundred thirty-six thousand, six hundred thirteen".