9814000961 has 2 divisors, whose sum is σ = 9814000962. Its totient is φ = 9814000960.

The previous prime is 9814000951. The next prime is 9814001003. The reversal of 9814000961 is 1690004189.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9813874225 + 126736 = 99065^2 + 356^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9814000961 is a prime.

It is a super-2 number, since 2×9814000961² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (9814000901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4907000480 + 4907000481.

It is an arithmetic number, because the mean of its divisors is an integer number (4907000481).

Almost surely, 2^9814000961 is an apocalyptic number.

It is an amenable number.

9814000961 is a deficient number, since it is larger than the sum of its proper divisors (1).

9814000961 is an equidigital number, since it uses as much as digits as its factorization.

9814000961 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15552, while the sum is 38.

The square root of 9814000961 is about 99065.6396587636. The cubic root of 9814000961 is about 2140.9935818386.

The spelling of 9814000961 in words is "nine billion, eight hundred fourteen million, nine hundred sixty-one", and thus it is an aban number.