75066266129 has 2 divisors, whose sum is σ = 75066266130. Its totient is φ = 75066266128.

The previous prime is 75066266003. The next prime is 75066266141. The reversal of 75066266129 is 92166266057.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 59496966400 + 15569299729 = 243920^2 + 124777^2 .

It is a cyclic number.

It is not a de Polignac number, because 75066266129 - 2⁸ = 75066265873 is a prime.

It is not a weakly prime, because it can be changed into another prime (75066268129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37533133064 + 37533133065.

It is an arithmetic number, because the mean of its divisors is an integer number (37533133065).

Almost surely, 2^75066266129 is an apocalyptic number.

It is an amenable number.

75066266129 is a deficient number, since it is larger than the sum of its proper divisors (1).

75066266129 is an equidigital number, since it uses as much as digits as its factorization.

75066266129 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1632960, while the sum is 50.

The spelling of 75066266129 in words is "seventy-five billion, sixty-six million, two hundred sixty-six thousand, one hundred twenty-nine".