9995858497 has 2 divisors, whose sum is σ = 9995858498. Its totient is φ = 9995858496.

The previous prime is 9995858491. The next prime is 9995858557. The reversal of 9995858497 is 7948585999.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9079040656 + 916817841 = 95284^2 + 30279^2 .

It is a cyclic number.

It is not a de Polignac number, because 9995858497 - 2¹¹ = 9995856449 is a prime.

It is not a weakly prime, because it can be changed into another prime (9995858491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4997929248 + 4997929249.

It is an arithmetic number, because the mean of its divisors is an integer number (4997929249).

Almost surely, 2^9995858497 is an apocalyptic number.

It is an amenable number.

9995858497 is a deficient number, since it is larger than the sum of its proper divisors (1).

9995858497 is an equidigital number, since it uses as much as digits as its factorization.

9995858497 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 293932800, while the sum is 73.

The square root of 9995858497 is about 99979.2903405500. The cubic root of 9995858497 is about 2154.1372290392.

The spelling of 9995858497 in words is "nine billion, nine hundred ninety-five million, eight hundred fifty-eight thousand, four hundred ninety-seven".