409375353 has 4 divisors (see below), whose sum is σ = 545833808. Its totient is φ = 272916900.

The previous prime is 409375319. The next prime is 409375361. The reversal of 409375353 is 353573904.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 409375353 - 2⁸ = 409375097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (409375753) 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, 68229223 + ... + 68229228.

It is an arithmetic number, because the mean of its divisors is an integer number (136458452).

Almost surely, 2^409375353 is an apocalyptic number.

It is an amenable number.

409375353 is a deficient number, since it is larger than the sum of its proper divisors (136458455).

409375353 is a wasteful number, since it uses less digits than its factorization.

409375353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136458454.

The product of its (nonzero) digits is 170100, while the sum is 39.

The square root of 409375353 is about 20233.0262936616. The cubic root of 409375353 is about 742.5184178451.

The spelling of 409375353 in words is "four hundred nine million, three hundred seventy-five thousand, three hundred fifty-three".