8491060429 has 2 divisors, whose sum is σ = 8491060430. Its totient is φ = 8491060428.

The previous prime is 8491060387. The next prime is 8491060441. The reversal of 8491060429 is 9240601948.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8408523204 + 82537225 = 91698^2 + 9085^2 .

It is a cyclic number.

It is not a de Polignac number, because 8491060429 - 2⁹ = 8491059917 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8491060469) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4245530214 + 4245530215.

It is an arithmetic number, because the mean of its divisors is an integer number (4245530215).

Almost surely, 2^8491060429 is an apocalyptic number.

It is an amenable number.

8491060429 is a deficient number, since it is larger than the sum of its proper divisors (1).

8491060429 is an equidigital number, since it uses as much as digits as its factorization.

8491060429 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 124416, while the sum is 43.

The square root of 8491060429 is about 92146.9501882726. The cubic root of 8491060429 is about 2040.1118441980. Note that the first 3 decimals are identical.

The spelling of 8491060429 in words is "eight billion, four hundred ninety-one million, sixty thousand, four hundred twenty-nine".