8419380091 has 8 divisors (see below), whose sum is σ = 8617199360. Its totient is φ = 8221652712.

The previous prime is 8419380089. The next prime is 8419380127. The reversal of 8419380091 is 1900839148.

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 8419380091 - 2¹ = 8419380089 is a prime.

It is a super-2 number, since 2×8419380091² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8419380191) 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, 184066 + ... + 225208.

It is an arithmetic number, because the mean of its divisors is an integer number (1077149920).

Almost surely, 2^8419380091 is an apocalyptic number.

8419380091 is a deficient number, since it is larger than the sum of its proper divisors (197819269).

8419380091 is a wasteful number, since it uses less digits than its factorization.

8419380091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45945.

The product of its (nonzero) digits is 62208, while the sum is 43.

The square root of 8419380091 is about 91757.1800514815. The cubic root of 8419380091 is about 2034.3548346309.

The spelling of 8419380091 in words is "eight billion, four hundred nineteen million, three hundred eighty thousand, ninety-one".