91411811419 has 4 divisors (see below), whose sum is σ = 91412419600. Its totient is φ = 91411203240.

The previous prime is 91411811333. The next prime is 91411811429.

91411811419 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 91411811419 - 2⁹ = 91411810907 is a prime.

It is a super-2 number, since 2×91411811419² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (91411811429) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 103234 + ... + 439864.

It is an arithmetic number, because the mean of its divisors is an integer number (22853104900).

Almost surely, 2^91411811419 is an apocalyptic number.

91411811419 is a deficient number, since it is larger than the sum of its proper divisors (608181).

91411811419 is a wasteful number, since it uses less digits than its factorization.

91411811419 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 608180.

The product of its digits is 10368, while the sum is 40.

The spelling of 91411811419 in words is "ninety-one billion, four hundred eleven million, eight hundred eleven thousand, four hundred nineteen".