409090909090911 has 8 divisors (see below), whose sum is σ = 574162679425920. Its totient is φ = 258373205741592.

The previous prime is 409090909090909. The next prime is 409090909091003. The reversal of 409090909090911 is 119090909090904.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 409090909090911 - 2¹ = 409090909090909 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (409090909090901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3588516746355 + ... + 3588516746468.

It is an arithmetic number, because the mean of its divisors is an integer number (71770334928240).

Almost surely, 2^{409090909090911} is an apocalyptic number.

409090909090911 is a deficient number, since it is larger than the sum of its proper divisors (165071770335009).

409090909090911 is a wasteful number, since it uses less digits than its factorization.

409090909090911 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7177033492845.

The product of its (nonzero) digits is 2125764, while the sum is 60.

The spelling of 409090909090911 in words is "four hundred nine trillion, ninety billion, nine hundred nine million, ninety thousand, nine hundred eleven".