5221708769 has 2 divisors, whose sum is σ = 5221708770. Its totient is φ = 5221708768.

The previous prime is 5221708693. The next prime is 5221708777. The reversal of 5221708769 is 9678071225.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4748863744 + 472845025 = 68912^2 + 21745^2 .

It is a cyclic number.

It is not a de Polignac number, because 5221708769 - 2¹⁶ = 5221643233 is a prime.

It is a super-2 number, since 2×5221708769² = 54532484936502990722, which contains 22 as substring.

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 (5221708799) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2610854384 + 2610854385.

It is an arithmetic number, because the mean of its divisors is an integer number (2610854385).

Almost surely, 2^5221708769 is an apocalyptic number.

It is an amenable number.

5221708769 is a deficient number, since it is larger than the sum of its proper divisors (1).

5221708769 is an equidigital number, since it uses as much as digits as its factorization.

5221708769 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 423360, while the sum is 47.

The square root of 5221708769 is about 72261.3919669418. The cubic root of 5221708769 is about 1734.8857589351.

The spelling of 5221708769 in words is "five billion, two hundred twenty-one million, seven hundred eight thousand, seven hundred sixty-nine".