9765091421167 has 2 divisors, whose sum is σ = 9765091421168. Its totient is φ = 9765091421166.

The previous prime is 9765091421149. The next prime is 9765091421207. The reversal of 9765091421167 is 7611241905679.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 9765091421167 - 2³⁵ = 9730731682799 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9765091424167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4882545710583 + 4882545710584.

It is an arithmetic number, because the mean of its divisors is an integer number (4882545710584).

Almost surely, 2^{9765091421167} is an apocalyptic number.

9765091421167 is a deficient number, since it is larger than the sum of its proper divisors (1).

9765091421167 is an equidigital number, since it uses as much as digits as its factorization.

9765091421167 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5715360, while the sum is 58.

The spelling of 9765091421167 in words is "nine trillion, seven hundred sixty-five billion, ninety-one million, four hundred twenty-one thousand, one hundred sixty-seven".