4209516497 has 2 divisors, whose sum is σ = 4209516498. Its totient is φ = 4209516496.

The previous prime is 4209516461. The next prime is 4209516517. The reversal of 4209516497 is 7946159024.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3045273856 + 1164242641 = 55184^2 + 34121^2 .

It is a cyclic number.

It is not a de Polignac number, because 4209516497 - 2¹² = 4209512401 is a prime.

It is not a weakly prime, because it can be changed into another prime (4209516197) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2104758248 + 2104758249.

It is an arithmetic number, because the mean of its divisors is an integer number (2104758249).

Almost surely, 2^4209516497 is an apocalyptic number.

It is an amenable number.

4209516497 is a deficient number, since it is larger than the sum of its proper divisors (1).

4209516497 is an equidigital number, since it uses as much as digits as its factorization.

4209516497 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 544320, while the sum is 47.

The square root of 4209516497 is about 64880.7868093475. The cubic root of 4209516497 is about 1614.6463132286.

The spelling of 4209516497 in words is "four billion, two hundred nine million, five hundred sixteen thousand, four hundred ninety-seven".