9861040963 has 2 divisors, whose sum is σ = 9861040964. Its totient is φ = 9861040962.

The previous prime is 9861040939. The next prime is 9861041023. The reversal of 9861040963 is 3690401689.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 9861040963 - 2²¹ = 9858943811 is a prime.

It is not a weakly prime, because it can be changed into another prime (9861043963) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4930520481 + 4930520482.

It is an arithmetic number, because the mean of its divisors is an integer number (4930520482).

Almost surely, 2^9861040963 is an apocalyptic number.

9861040963 is a deficient number, since it is larger than the sum of its proper divisors (1).

9861040963 is an equidigital number, since it uses as much as digits as its factorization.

9861040963 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 279936, while the sum is 46.

The square root of 9861040963 is about 99302.7741958904. The cubic root of 9861040963 is about 2144.4088338518.

The spelling of 9861040963 in words is "nine billion, eight hundred sixty-one million, forty thousand, nine hundred sixty-three".