9491288990467 has 2 divisors, whose sum is σ = 9491288990468. Its totient is φ = 9491288990466.

The previous prime is 9491288990389. The next prime is 9491288990531. The reversal of 9491288990467 is 7640998821949.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 9491288990467 - 2¹⁵ = 9491288957699 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 9491288990393 and 9491288990402.

It is not a weakly prime, because it can be changed into another prime (9491288990567) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4745644495233 + 4745644495234.

It is an arithmetic number, because the mean of its divisors is an integer number (4745644495234).

Almost surely, 2^{9491288990467} is an apocalyptic number.

9491288990467 is a deficient number, since it is larger than the sum of its proper divisors (1).

9491288990467 is an equidigital number, since it uses as much as digits as its factorization.

9491288990467 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 564350976, while the sum is 76.

The spelling of 9491288990467 in words is "nine trillion, four hundred ninety-one billion, two hundred eighty-eight million, nine hundred ninety thousand, four hundred sixty-seven".