5210447594861 has 2 divisors, whose sum is σ = 5210447594862. Its totient is φ = 5210447594860.

The previous prime is 5210447594827. The next prime is 5210447594897. The reversal of 5210447594861 is 1684957440125.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2730392712100 + 2480054882761 = 1652390^2 + 1574819^2 .

It is a cyclic number.

It is not a de Polignac number, because 5210447594861 - 2²⁶ = 5210380485997 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 5210447594797 and 5210447594806.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5210447591861) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2605223797430 + 2605223797431.

It is an arithmetic number, because the mean of its divisors is an integer number (2605223797431).

Almost surely, 2^{5210447594861} is an apocalyptic number.

It is an amenable number.

5210447594861 is a deficient number, since it is larger than the sum of its proper divisors (1).

5210447594861 is an equidigital number, since it uses as much as digits as its factorization.

5210447594861 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9676800, while the sum is 56.

The spelling of 5210447594861 in words is "five trillion, two hundred ten billion, four hundred forty-seven million, five hundred ninety-four thousand, eight hundred sixty-one".