409384198911 has 8 divisors (see below), whose sum is σ = 546041323440. Its totient is φ = 272824936832.

The previous prime is 409384198849. The next prime is 409384198987. The reversal of 409384198911 is 119891483904.

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 409384198911 - 2¹⁵ = 409384166143 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (409384198411) 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, 24455850 + ... + 24472583.

It is an arithmetic number, because the mean of its divisors is an integer number (68255165430).

Almost surely, 2^409384198911 is an apocalyptic number.

409384198911 is a deficient number, since it is larger than the sum of its proper divisors (136657124529).

409384198911 is a wasteful number, since it uses less digits than its factorization.

409384198911 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48931225.

The product of its (nonzero) digits is 2239488, while the sum is 57.

The spelling of 409384198911 in words is "four hundred nine billion, three hundred eighty-four million, one hundred ninety-eight thousand, nine hundred eleven".