9995130961 has 2 divisors, whose sum is σ = 9995130962. Its totient is φ = 9995130960.

The previous prime is 9995130947. The next prime is 9995130991. The reversal of 9995130961 is 1690315999.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9992001600 + 3129361 = 99960^2 + 1769^2 .

It is a cyclic number.

It is not a de Polignac number, because 9995130961 - 2⁷ = 9995130833 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 9995130899 and 9995130908.

It is not a weakly prime, because it can be changed into another prime (9995130931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4997565480 + 4997565481.

It is an arithmetic number, because the mean of its divisors is an integer number (4997565481).

Almost surely, 2^9995130961 is an apocalyptic number.

It is an amenable number.

9995130961 is a deficient number, since it is larger than the sum of its proper divisors (1).

9995130961 is an equidigital number, since it uses as much as digits as its factorization.

9995130961 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 590490, while the sum is 52.

The square root of 9995130961 is about 99975.6518408357. The cubic root of 9995130961 is about 2154.0849657141.

The spelling of 9995130961 in words is "nine billion, nine hundred ninety-five million, one hundred thirty thousand, nine hundred sixty-one".