4497509491 has 2 divisors, whose sum is σ = 4497509492. Its totient is φ = 4497509490.

The previous prime is 4497509461. The next prime is 4497509501. The reversal of 4497509491 is 1949057944.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4497509491 - 2⁹ = 4497508979 is a prime.

It is not a weakly prime, because it can be changed into another prime (4497509411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2248754745 + 2248754746.

It is an arithmetic number, because the mean of its divisors is an integer number (2248754746).

Almost surely, 2^4497509491 is an apocalyptic number.

4497509491 is a deficient number, since it is larger than the sum of its proper divisors (1).

4497509491 is an equidigital number, since it uses as much as digits as its factorization.

4497509491 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1632960, while the sum is 52.

The square root of 4497509491 is about 67063.4735977790. The cubic root of 4497509491 is about 1650.6589949257.

The spelling of 4497509491 in words is "four billion, four hundred ninety-seven million, five hundred nine thousand, four hundred ninety-one".