4097516243 has 2 divisors, whose sum is σ = 4097516244. Its totient is φ = 4097516242.

The previous prime is 4097516209. The next prime is 4097516317. The reversal of 4097516243 is 3426157904.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4097516243 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4097516243.

It is not a weakly prime, because it can be changed into another prime (4097816243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2048758121 + 2048758122.

It is an arithmetic number, because the mean of its divisors is an integer number (2048758122).

Almost surely, 2^4097516243 is an apocalyptic number.

4097516243 is a deficient number, since it is larger than the sum of its proper divisors (1).

4097516243 is an equidigital number, since it uses as much as digits as its factorization.

4097516243 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 181440, while the sum is 41.

The square root of 4097516243 is about 64011.8445523951. The cubic root of 4097516243 is about 1600.1974031180.

The spelling of 4097516243 in words is "four billion, ninety-seven million, five hundred sixteen thousand, two hundred forty-three".