9671237663 has 2 divisors, whose sum is σ = 9671237664. Its totient is φ = 9671237662.

The previous prime is 9671237621. The next prime is 9671237687. The reversal of 9671237663 is 3667321769.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 9671237663 - 2¹⁸ = 9670975519 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9671237603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4835618831 + 4835618832.

It is an arithmetic number, because the mean of its divisors is an integer number (4835618832).

Almost surely, 2^9671237663 is an apocalyptic number.

9671237663 is a deficient number, since it is larger than the sum of its proper divisors (1).

9671237663 is an equidigital number, since it uses as much as digits as its factorization.

9671237663 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1714608, while the sum is 50.

The square root of 9671237663 is about 98342.4509710837. The cubic root of 9671237663 is about 2130.5612239011.

The spelling of 9671237663 in words is "nine billion, six hundred seventy-one million, two hundred thirty-seven thousand, six hundred sixty-three".