409095943 has 4 divisors (see below), whose sum is σ = 417800160. Its totient is φ = 400391728.

The previous prime is 409095899. The next prime is 409095949. The reversal of 409095943 is 349590904.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 409095943 - 2¹³ = 409087751 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 409095943.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (409095949) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4352038 + ... + 4352131.

It is an arithmetic number, because the mean of its divisors is an integer number (104450040).

Almost surely, 2^409095943 is an apocalyptic number.

409095943 is a deficient number, since it is larger than the sum of its proper divisors (8704217).

409095943 is an equidigital number, since it uses as much as digits as its factorization.

409095943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8704216.

The product of its (nonzero) digits is 174960, while the sum is 43.

The square root of 409095943 is about 20226.1203150777. The cubic root of 409095943 is about 742.3494496124.

The spelling of 409095943 in words is "four hundred nine million, ninety-five thousand, nine hundred forty-three".