9371117663 has 2 divisors, whose sum is σ = 9371117664. Its totient is φ = 9371117662.

The previous prime is 9371117603. The next prime is 9371117669. The reversal of 9371117663 is 3667111739.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 9371117663 - 2²⁰ = 9370069087 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9371117669) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4685558831 + 4685558832.

It is an arithmetic number, because the mean of its divisors is an integer number (4685558832).

Almost surely, 2^9371117663 is an apocalyptic number.

9371117663 is a deficient number, since it is larger than the sum of its proper divisors (1).

9371117663 is an equidigital number, since it uses as much as digits as its factorization.

9371117663 is an evil number, because the sum of its binary digits is even.

The product of its digits is 142884, while the sum is 44.

The square root of 9371117663 is about 96804.5332771147. The cubic root of 9371117663 is about 2108.2905573029.

The spelling of 9371117663 in words is "nine billion, three hundred seventy-one million, one hundred seventeen thousand, six hundred sixty-three".