5766226421 has 2 divisors, whose sum is σ = 5766226422. Its totient is φ = 5766226420.

The previous prime is 5766226399. The next prime is 5766226439. The reversal of 5766226421 is 1246226675.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4898040196 + 868186225 = 69986^2 + 29465^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5766226421 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5766226441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2883113210 + 2883113211.

It is an arithmetic number, because the mean of its divisors is an integer number (2883113211).

Almost surely, 2^5766226421 is an apocalyptic number.

It is an amenable number.

5766226421 is a deficient number, since it is larger than the sum of its proper divisors (1).

5766226421 is an equidigital number, since it uses as much as digits as its factorization.

5766226421 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 241920, while the sum is 41.

The square root of 5766226421 is about 75935.6729146453. The cubic root of 5766226421 is about 1793.2075714113.

The spelling of 5766226421 in words is "five billion, seven hundred sixty-six million, two hundred twenty-six thousand, four hundred twenty-one".