5005005000491 has 2 divisors, whose sum is σ = 5005005000492. Its totient is φ = 5005005000490.

The previous prime is 5005005000487. The next prime is 5005005000493. The reversal of 5005005000491 is 1940005005005.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5005005000491 - 2² = 5005005000487 is a prime.

Together with 5005005000493, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (5005005000493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2502502500245 + 2502502500246.

It is an arithmetic number, because the mean of its divisors is an integer number (2502502500246).

Almost surely, 2^{5005005000491} is an apocalyptic number.

5005005000491 is a deficient number, since it is larger than the sum of its proper divisors (1).

5005005000491 is an equidigital number, since it uses as much as digits as its factorization.

5005005000491 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4500, while the sum is 29.

The spelling of 5005005000491 in words is "five trillion, five billion, five million, four hundred ninety-one", and thus it is an aban number.