5241646680813 has 12 divisors (see below), whose sum is σ = 7571316978940. Its totient is φ = 3494408250816.

The previous prime is 5241646680773. The next prime is 5241646680821. The reversal of 5241646680813 is 3180866461425.

5241646680813 is a `hidden beast` number, since 5 + 24 + 1 + 6 + 466 + 80 + 81 + 3 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 3408000289929 + 1833646390884 = 1846077^2 + 1354122^2 .

It is not a de Polignac number, because 5241646680813 - 2²⁵ = 5241613126381 is a prime.

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 5241646680813.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5241646680913) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 390856 + ... + 3261297.

Almost surely, 2^{5241646680813} is an apocalyptic number.

It is an amenable number.

5241646680813 is a deficient number, since it is larger than the sum of its proper divisors (2329670298127).

5241646680813 is a wasteful number, since it uses less digits than its factorization.

5241646680813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3811628 (or 3811625 counting only the distinct ones).

The product of its (nonzero) digits is 6635520, while the sum is 54.

The spelling of 5241646680813 in words is "five trillion, two hundred forty-one billion, six hundred forty-six million, six hundred eighty thousand, eight hundred thirteen".