9816474427 has 2 divisors, whose sum is σ = 9816474428. Its totient is φ = 9816474426.

The previous prime is 9816474401. The next prime is 9816474433. The reversal of 9816474427 is 7244746189.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 9816474427 - 2⁷ = 9816474299 is a prime.

It is not a weakly prime, because it can be changed into another prime (9816474467) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4908237213 + 4908237214.

It is an arithmetic number, because the mean of its divisors is an integer number (4908237214).

Almost surely, 2^9816474427 is an apocalyptic number.

9816474427 is a deficient number, since it is larger than the sum of its proper divisors (1).

9816474427 is an equidigital number, since it uses as much as digits as its factorization.

9816474427 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2709504, while the sum is 52.

The square root of 9816474427 is about 99078.1228475792. The cubic root of 9816474427 is about 2141.1734347520.

The spelling of 9816474427 in words is "nine billion, eight hundred sixteen million, four hundred seventy-four thousand, four hundred twenty-seven".