5680956221 has 2 divisors, whose sum is σ = 5680956222. Its totient is φ = 5680956220.

The previous prime is 5680956143. The next prime is 5680956233. The reversal of 5680956221 is 1226590865.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5512320025 + 168636196 = 74245^2 + 12986^2 .

It is a cyclic number.

It is not a de Polignac number, because 5680956221 - 2¹⁰ = 5680955197 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5680956251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2840478110 + 2840478111.

It is an arithmetic number, because the mean of its divisors is an integer number (2840478111).

Almost surely, 2^5680956221 is an apocalyptic number.

It is an amenable number.

5680956221 is a deficient number, since it is larger than the sum of its proper divisors (1).

5680956221 is an equidigital number, since it uses as much as digits as its factorization.

5680956221 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 259200, while the sum is 44.

The square root of 5680956221 is about 75372.1183263413. The cubic root of 5680956221 is about 1784.3243992595.

The spelling of 5680956221 in words is "five billion, six hundred eighty million, nine hundred fifty-six thousand, two hundred twenty-one".