91226033989 has 8 divisors (see below), whose sum is σ = 91595192832. Its totient is φ = 90857361840.

The previous prime is 91226033957. The next prime is 91226034001. The reversal of 91226033989 is 98933062219.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 91226033989 - 2⁵ = 91226033957 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (91226033909) 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 7 ways as a sum of consecutive naturals, for example, 256332 + ... + 498154.

It is an arithmetic number, because the mean of its divisors is an integer number (11449399104).

Almost surely, 2^91226033989 is an apocalyptic number.

It is an amenable number.

91226033989 is a deficient number, since it is larger than the sum of its proper divisors (369158843).

91226033989 is a wasteful number, since it uses less digits than its factorization.

91226033989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 243347.

The product of its (nonzero) digits is 1259712, while the sum is 52.

The spelling of 91226033989 in words is "ninety-one billion, two hundred twenty-six million, thirty-three thousand, nine hundred eighty-nine".