905317996291 has 2 divisors, whose sum is σ = 905317996292. Its totient is φ = 905317996290.

The previous prime is 905317996279. The next prime is 905317996339. The reversal of 905317996291 is 192699713509.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 905317996291 - 2⁹ = 905317995779 is a prime.

It is not a weakly prime, because it can be changed into another prime (905317996591) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 452658998145 + 452658998146.

It is an arithmetic number, because the mean of its divisors is an integer number (452658998146).

Almost surely, 2^905317996291 is an apocalyptic number.

905317996291 is a deficient number, since it is larger than the sum of its proper divisors (1).

905317996291 is an equidigital number, since it uses as much as digits as its factorization.

905317996291 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8266860, while the sum is 61.

The spelling of 905317996291 in words is "nine hundred five billion, three hundred seventeen million, nine hundred ninety-six thousand, two hundred ninety-one".