8934408491 has 2 divisors, whose sum is σ = 8934408492. Its totient is φ = 8934408490.

The previous prime is 8934408481. The next prime is 8934408517. The reversal of 8934408491 is 1948044398.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8934408491 is a prime.

It is not a weakly prime, because it can be changed into another prime (8934408481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4467204245 + 4467204246.

It is an arithmetic number, because the mean of its divisors is an integer number (4467204246).

Almost surely, 2^8934408491 is an apocalyptic number.

8934408491 is a deficient number, since it is larger than the sum of its proper divisors (1).

8934408491 is an equidigital number, since it uses as much as digits as its factorization.

8934408491 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 995328, while the sum is 50.

The square root of 8934408491 is about 94522.0000370284. Note that the first 4 decimals coincide. The cubic root of 8934408491 is about 2075.0183182009.

The spelling of 8934408491 in words is "eight billion, nine hundred thirty-four million, four hundred eight thousand, four hundred ninety-one".