91009430334 has 40 divisors (see below), whose sum is σ = 215924341248. Its totient is φ = 28551977280.

The previous prime is 91009430327. The next prime is 91009430359. The reversal of 91009430334 is 43303490019.

It is a congruent number.

It is an unprimeable number.

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 in 19 ways as a sum of consecutive naturals, for example, 16520382 + ... + 16525889.

Almost surely, 2^91009430334 is an apocalyptic number.

91009430334 is an abundant number, since it is smaller than the sum of its proper divisors (124914910914).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

91009430334 is a wasteful number, since it uses less digits than its factorization.

91009430334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33046302 (or 33046293 counting only the distinct ones).

The product of its (nonzero) digits is 34992, while the sum is 36.

The spelling of 91009430334 in words is "ninety-one billion, nine million, four hundred thirty thousand, three hundred thirty-four".