4996805491 has 2 divisors, whose sum is σ = 4996805492. Its totient is φ = 4996805490.

The previous prime is 4996805483. The next prime is 4996805549. The reversal of 4996805491 is 1945086994.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4996805491 - 2³ = 4996805483 is a prime.

It is a super-2 number, since 2×4996805491² = 49936130229775502162, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (4996805441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2498402745 + 2498402746.

It is an arithmetic number, because the mean of its divisors is an integer number (2498402746).

Almost surely, 2^4996805491 is an apocalyptic number.

4996805491 is a deficient number, since it is larger than the sum of its proper divisors (1).

4996805491 is an equidigital number, since it uses as much as digits as its factorization.

4996805491 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2799360, while the sum is 55.

The square root of 4996805491 is about 70688.0859197644. The cubic root of 4996805491 is about 1709.6117001897.

The spelling of 4996805491 in words is "four billion, nine hundred ninety-six million, eight hundred five thousand, four hundred ninety-one".