9158967971 has 2 divisors, whose sum is σ = 9158967972. Its totient is φ = 9158967970.

The previous prime is 9158967859. The next prime is 9158967989. The reversal of 9158967971 is 1797698519.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 9158967971 - 2¹⁸ = 9158705827 is a prime.

It is not a weakly prime, because it can be changed into another prime (9158967071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4579483985 + 4579483986.

It is an arithmetic number, because the mean of its divisors is an integer number (4579483986).

Almost surely, 2^9158967971 is an apocalyptic number.

9158967971 is a deficient number, since it is larger than the sum of its proper divisors (1).

9158967971 is an equidigital number, since it uses as much as digits as its factorization.

9158967971 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8573040, while the sum is 62.

The square root of 9158967971 is about 95702.4972035735. The cubic root of 9158967971 is about 2092.2593311941.

The spelling of 9158967971 in words is "nine billion, one hundred fifty-eight million, nine hundred sixty-seven thousand, nine hundred seventy-one".