4066299068261 has 2 divisors, whose sum is σ = 4066299068262. Its totient is φ = 4066299068260.

The previous prime is 4066299068257. The next prime is 4066299068309. The reversal of 4066299068261 is 1628609926604.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3671420049025 + 394879019236 = 1916095^2 + 628394^2 .

It is a cyclic number.

It is not a de Polignac number, because 4066299068261 - 2² = 4066299068257 is a prime.

It is a super-2 number, since 2×4066299068261² (a number of 26 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 4066299068261.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4066299068201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2033149534130 + 2033149534131.

It is an arithmetic number, because the mean of its divisors is an integer number (2033149534131).

Almost surely, 2^{4066299068261} is an apocalyptic number.

It is an amenable number.

4066299068261 is a deficient number, since it is larger than the sum of its proper divisors (1).

4066299068261 is an equidigital number, since it uses as much as digits as its factorization.

4066299068261 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13436928, while the sum is 59.

The spelling of 4066299068261 in words is "four trillion, sixty-six billion, two hundred ninety-nine million, sixty-eight thousand, two hundred sixty-one".