4479516491 has 2 divisors, whose sum is σ = 4479516492. Its totient is φ = 4479516490.

The previous prime is 4479516479. The next prime is 4479516493. The reversal of 4479516491 is 1946159744.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4479516491 is a prime.

Together with 4479516493, 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 (4479516493) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2239758245 + 2239758246.

It is an arithmetic number, because the mean of its divisors is an integer number (2239758246).

Almost surely, 2^4479516491 is an apocalyptic number.

4479516491 is a deficient number, since it is larger than the sum of its proper divisors (1).

4479516491 is an equidigital number, since it uses as much as digits as its factorization.

4479516491 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1088640, while the sum is 50.

The square root of 4479516491 is about 66929.1901265808. The cubic root of 4479516491 is about 1648.4548118810.

The spelling of 4479516491 in words is "four billion, four hundred seventy-nine million, five hundred sixteen thousand, four hundred ninety-one".