5666121353 has 2 divisors, whose sum is σ = 5666121354. Its totient is φ = 5666121352.

The previous prime is 5666121341. The next prime is 5666121367. The reversal of 5666121353 is 3531216665.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5000894089 + 665227264 = 70717^2 + 25792^2 .

It is a cyclic number.

It is not a de Polignac number, because 5666121353 - 2⁴ = 5666121337 is a prime.

It is not a weakly prime, because it can be changed into another prime (5666121313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2833060676 + 2833060677.

It is an arithmetic number, because the mean of its divisors is an integer number (2833060677).

Almost surely, 2^5666121353 is an apocalyptic number.

It is an amenable number.

5666121353 is a deficient number, since it is larger than the sum of its proper divisors (1).

5666121353 is an equidigital number, since it uses as much as digits as its factorization.

5666121353 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 97200, while the sum is 38.

The square root of 5666121353 is about 75273.6431495115. The cubic root of 5666121353 is about 1782.7698903449.

The spelling of 5666121353 in words is "five billion, six hundred sixty-six million, one hundred twenty-one thousand, three hundred fifty-three".