5766991261 has 2 divisors, whose sum is σ = 5766991262. Its totient is φ = 5766991260.

The previous prime is 5766991253. The next prime is 5766991289. The reversal of 5766991261 is 1621996675.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5174068761 + 592922500 = 71931^2 + 24350^2 .

It is a cyclic number.

It is not a de Polignac number, because 5766991261 - 2³ = 5766991253 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 5766991199 and 5766991208.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5766991291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2883495630 + 2883495631.

It is an arithmetic number, because the mean of its divisors is an integer number (2883495631).

Almost surely, 2^5766991261 is an apocalyptic number.

It is an amenable number.

5766991261 is a deficient number, since it is larger than the sum of its proper divisors (1).

5766991261 is an equidigital number, since it uses as much as digits as its factorization.

5766991261 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1224720, while the sum is 52.

The square root of 5766991261 is about 75940.7088523672. The cubic root of 5766991261 is about 1793.2868523912.

The spelling of 5766991261 in words is "five billion, seven hundred sixty-six million, nine hundred ninety-one thousand, two hundred sixty-one".