5180666669 has 2 divisors, whose sum is σ = 5180666670. Its totient is φ = 5180666668.

The previous prime is 5180666641. The next prime is 5180666681. The reversal of 5180666669 is 9666660815.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5075850025 + 104816644 = 71245^2 + 10238^2 .

It is a cyclic number.

It is not a de Polignac number, because 5180666669 - 2¹⁶ = 5180601133 is a prime.

It is a super-2 number, since 2×5180666669² = 53678614270575111122, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 5180666669.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5180666639) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2590333334 + 2590333335.

It is an arithmetic number, because the mean of its divisors is an integer number (2590333335).

Almost surely, 2^5180666669 is an apocalyptic number.

It is an amenable number.

5180666669 is a deficient number, since it is larger than the sum of its proper divisors (1).

5180666669 is an equidigital number, since it uses as much as digits as its factorization.

5180666669 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2799360, while the sum is 53.

The square root of 5180666669 is about 71976.8481457753. The cubic root of 5180666669 is about 1730.3284561295.

The spelling of 5180666669 in words is "five billion, one hundred eighty million, six hundred sixty-six thousand, six hundred sixty-nine".