9995099813 has 4 divisors (see below), whose sum is σ = 9995317740. Its totient is φ = 9994881888.

The previous prime is 9995099773. The next prime is 9995099819. The reversal of 9995099813 is 3189905999.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2591013604 + 7404086209 = 50902^2 + 86047^2 .

It is a cyclic number.

It is not a de Polignac number, because 9995099813 - 2¹⁴ = 9995083429 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9995099819) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10520 + ... + 141777.

It is an arithmetic number, because the mean of its divisors is an integer number (2498829435).

Almost surely, 2^9995099813 is an apocalyptic number.

It is an amenable number.

9995099813 is a deficient number, since it is larger than the sum of its proper divisors (217927).

9995099813 is a wasteful number, since it uses less digits than its factorization.

9995099813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217926.

The product of its (nonzero) digits is 7085880, while the sum is 62.

The square root of 9995099813 is about 99975.4960627853. The cubic root of 9995099813 is about 2154.0827281076.

The spelling of 9995099813 in words is "nine billion, nine hundred ninety-five million, ninety-nine thousand, eight hundred thirteen".