409375043 has 32 divisors (see below), whose sum is σ = 519533568. Its totient is φ = 313344000.

The previous prime is 409375033. The next prime is 409375073. The reversal of 409375043 is 340573904.

It is a cyclic number.

It is not a de Polignac number, because 409375043 - 2⁴ = 409375027 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 409374994 and 409375012.

It is not an unprimeable number, because it can be changed into a prime (409375003) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1592771 + ... + 1593027.

It is an arithmetic number, because the mean of its divisors is an integer number (16235424).

Almost surely, 2^409375043 is an apocalyptic number.

409375043 is a deficient number, since it is larger than the sum of its proper divisors (110158525).

409375043 is a wasteful number, since it uses less digits than its factorization.

409375043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 563.

The product of its (nonzero) digits is 45360, while the sum is 35.

The square root of 409375043 is about 20233.0186329178. The cubic root of 409375043 is about 742.5182304207.

The spelling of 409375043 in words is "four hundred nine million, three hundred seventy-five thousand, forty-three".