9995785229 has 2 divisors, whose sum is σ = 9995785230. Its totient is φ = 9995785228.

The previous prime is 9995785127. The next prime is 9995785237. The reversal of 9995785229 is 9225875999.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6827221129 + 3168564100 = 82627^2 + 56290^2 .

It is a cyclic number.

It is not a de Polignac number, because 9995785229 - 2⁸ = 9995784973 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9995785249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4997892614 + 4997892615.

It is an arithmetic number, because the mean of its divisors is an integer number (4997892615).

Almost surely, 2^9995785229 is an apocalyptic number.

It is an amenable number.

9995785229 is a deficient number, since it is larger than the sum of its proper divisors (1).

9995785229 is an equidigital number, since it uses as much as digits as its factorization.

9995785229 is an evil number, because the sum of its binary digits is even.

The product of its digits is 36741600, while the sum is 65.

The square root of 9995785229 is about 99978.9239239951. The cubic root of 9995785229 is about 2154.1319658690.

The spelling of 9995785229 in words is "nine billion, nine hundred ninety-five million, seven hundred eighty-five thousand, two hundred twenty-nine".