9250000891 has 4 divisors (see below), whose sum is σ = 9316547800. Its totient is φ = 9183453984.

The previous prime is 9250000853. The next prime is 9250000933. The reversal of 9250000891 is 1980000529.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 9250000891 - 2⁷ = 9250000763 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9250000841) 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 in 3 ways as a sum of consecutive naturals, for example, 33273246 + ... + 33273523.

It is an arithmetic number, because the mean of its divisors is an integer number (2329136950).

Almost surely, 2^9250000891 is an apocalyptic number.

9250000891 is a deficient number, since it is larger than the sum of its proper divisors (66546909).

9250000891 is a wasteful number, since it uses less digits than its factorization.

9250000891 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66546908.

The product of its (nonzero) digits is 6480, while the sum is 34.

The square root of 9250000891 is about 96176.9249404450. The cubic root of 9250000891 is about 2099.1682943045.

The spelling of 9250000891 in words is "nine billion, two hundred fifty million, eight hundred ninety-one", and thus it is an aban number.