8601991301 has 2 divisors, whose sum is σ = 8601991302. Its totient is φ = 8601991300.

The previous prime is 8601991271. The next prime is 8601991303. The reversal of 8601991301 is 1031991068.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8549776225 + 52215076 = 92465^2 + 7226^2 .

It is a cyclic number.

It is not a de Polignac number, because 8601991301 - 2¹⁰ = 8601990277 is a prime.

Together with 8601991303, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8601991303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4300995650 + 4300995651.

It is an arithmetic number, because the mean of its divisors is an integer number (4300995651).

Almost surely, 2^8601991301 is an apocalyptic number.

It is an amenable number.

8601991301 is a deficient number, since it is larger than the sum of its proper divisors (1).

8601991301 is an equidigital number, since it uses as much as digits as its factorization.

8601991301 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11664, while the sum is 38.

The square root of 8601991301 is about 92746.9207089917. The cubic root of 8601991301 is about 2048.9577331956.

The spelling of 8601991301 in words is "eight billion, six hundred one million, nine hundred ninety-one thousand, three hundred one".