91010009382 has 16 divisors (see below), whose sum is σ = 182836254720. Its totient is φ = 30200630472.

The previous prime is 91010009381. The next prime is 91010009399. The reversal of 91010009382 is 28390001019.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (91010009381) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34008382 + ... + 34011057.

It is an arithmetic number, because the mean of its divisors is an integer number (11427265920).

Almost surely, 2^91010009382 is an apocalyptic number.

91010009382 is an abundant number, since it is smaller than the sum of its proper divisors (91826245338).

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

91010009382 is a wasteful number, since it uses less digits than its factorization.

91010009382 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68019667.

The product of its (nonzero) digits is 3888, while the sum is 33.

The spelling of 91010009382 in words is "ninety-one billion, ten million, nine thousand, three hundred eighty-two".