9869131001 has 2 divisors, whose sum is σ = 9869131002. Its totient is φ = 9869131000.

The previous prime is 9869130949. The next prime is 9869131009. The reversal of 9869131001 is 1001319689.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9399108601 + 470022400 = 96949^2 + 21680^2 .

It is a cyclic number.

It is not a de Polignac number, because 9869131001 - 2⁶ = 9869130937 is a prime.

It is not a weakly prime, because it can be changed into another prime (9869131009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4934565500 + 4934565501.

It is an arithmetic number, because the mean of its divisors is an integer number (4934565501).

Almost surely, 2^9869131001 is an apocalyptic number.

It is an amenable number.

9869131001 is a deficient number, since it is larger than the sum of its proper divisors (1).

9869131001 is an equidigital number, since it uses as much as digits as its factorization.

9869131001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11664, while the sum is 38.

The square root of 9869131001 is about 99343.5000440391. The cubic root of 9869131001 is about 2144.9951007906.

The spelling of 9869131001 in words is "nine billion, eight hundred sixty-nine million, one hundred thirty-one thousand, one".