5221186849577 has 2 divisors, whose sum is σ = 5221186849578. Its totient is φ = 5221186849576.

The previous prime is 5221186849517. The next prime is 5221186849667. The reversal of 5221186849577 is 7759486811225.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4057239319081 + 1163947530496 = 2014259^2 + 1078864^2 .

It is a cyclic number.

It is not a de Polignac number, because 5221186849577 - 2⁶ = 5221186849513 is a prime.

It is not a weakly prime, because it can be changed into another prime (5221186849507) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2610593424788 + 2610593424789.

It is an arithmetic number, because the mean of its divisors is an integer number (2610593424789).

Almost surely, 2^{5221186849577} is an apocalyptic number.

It is an amenable number.

5221186849577 is a deficient number, since it is larger than the sum of its proper divisors (1).

5221186849577 is an equidigital number, since it uses as much as digits as its factorization.

5221186849577 is an evil number, because the sum of its binary digits is even.

The product of its digits is 67737600, while the sum is 65.

The spelling of 5221186849577 in words is "five trillion, two hundred twenty-one billion, one hundred eighty-six million, eight hundred forty-nine thousand, five hundred seventy-seven".