991301000759 has 2 divisors, whose sum is σ = 991301000760. Its totient is φ = 991301000758.

The previous prime is 991301000713. The next prime is 991301000761. The reversal of 991301000759 is 957000103199.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-991301000759 is a prime.

Together with 991301000761, 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 (991301000779) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 495650500379 + 495650500380.

It is an arithmetic number, because the mean of its divisors is an integer number (495650500380).

Almost surely, 2^991301000759 is an apocalyptic number.

991301000759 is a deficient number, since it is larger than the sum of its proper divisors (1).

991301000759 is an equidigital number, since it uses as much as digits as its factorization.

991301000759 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 76545, while the sum is 44.

The spelling of 991301000759 in words is "nine hundred ninety-one billion, three hundred one million, seven hundred fifty-nine", and thus it is an aban number.