5368854521 has 2 divisors, whose sum is σ = 5368854522. Its totient is φ = 5368854520.

The previous prime is 5368854487. The next prime is 5368854539. The reversal of 5368854521 is 1254588635.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5046113296 + 322741225 = 71036^2 + 17965^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5368854521 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (5368854571) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2684427260 + 2684427261.

It is an arithmetic number, because the mean of its divisors is an integer number (2684427261).

Almost surely, 2^5368854521 is an apocalyptic number.

It is an amenable number.

5368854521 is a deficient number, since it is larger than the sum of its proper divisors (1).

5368854521 is an equidigital number, since it uses as much as digits as its factorization.

5368854521 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1152000, while the sum is 47.

The square root of 5368854521 is about 73272.4676873927. The cubic root of 5368854521 is about 1751.0311768646.

The spelling of 5368854521 in words is "five billion, three hundred sixty-eight million, eight hundred fifty-four thousand, five hundred twenty-one".