920091000091 has 2 divisors, whose sum is σ = 920091000092. Its totient is φ = 920091000090.

The previous prime is 920091000083. The next prime is 920091000161. The reversal of 920091000091 is 190000190029.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 920091000091 - 2³ = 920091000083 is a prime.

It is not a weakly prime, because it can be changed into another prime (920091000011) 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, 460045500045 + 460045500046.

It is an arithmetic number, because the mean of its divisors is an integer number (460045500046).

Almost surely, 2^920091000091 is an apocalyptic number.

920091000091 is a deficient number, since it is larger than the sum of its proper divisors (1).

920091000091 is an equidigital number, since it uses as much as digits as its factorization.

920091000091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1458, while the sum is 31.

The spelling of 920091000091 in words is "nine hundred twenty billion, ninety-one million, ninety-one", and thus it is an aban number.