91380091396 has 48 divisors (see below), whose sum is σ = 183259843200. Its totient is φ = 39463761920.

The previous prime is 91380091393. The next prime is 91380091399. The reversal of 91380091396 is 69319008319.

It is an interprime number because it is at equal distance from previous prime (91380091393) and next prime (91380091399).

It is a super-3 number, since 3×91380091396³ (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (91380091393) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 152221 + ... + 453796.

It is an arithmetic number, because the mean of its divisors is an integer number (3817913400).

Almost surely, 2^91380091396 is an apocalyptic number.

It is an amenable number.

91380091396 is an abundant number, since it is smaller than the sum of its proper divisors (91879751804).

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

91380091396 is a wasteful number, since it uses less digits than its factorization.

91380091396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 606204 (or 606202 counting only the distinct ones).

The product of its (nonzero) digits is 314928, while the sum is 49.

The spelling of 91380091396 in words is "ninety-one billion, three hundred eighty million, ninety-one thousand, three hundred ninety-six".