4668191497 has 2 divisors, whose sum is σ = 4668191498. Its totient is φ = 4668191496.

The previous prime is 4668191443. The next prime is 4668191501. The reversal of 4668191497 is 7941918664.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3245694841 + 1422496656 = 56971^2 + 37716^2 .

It is a cyclic number.

It is not a de Polignac number, because 4668191497 - 2⁷ = 4668191369 is a prime.

It is not a weakly prime, because it can be changed into another prime (4668194497) 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, 2334095748 + 2334095749.

It is an arithmetic number, because the mean of its divisors is an integer number (2334095749).

Almost surely, 2^4668191497 is an apocalyptic number.

It is an amenable number.

4668191497 is a deficient number, since it is larger than the sum of its proper divisors (1).

4668191497 is an equidigital number, since it uses as much as digits as its factorization.

4668191497 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2612736, while the sum is 55.

The square root of 4668191497 is about 68324.1648101168. The cubic root of 4668191497 is about 1671.2813020432.

The spelling of 4668191497 in words is "four billion, six hundred sixty-eight million, one hundred ninety-one thousand, four hundred ninety-seven".