409072097 has 4 divisors (see below), whose sum is σ = 467510976. Its totient is φ = 350633220.

The previous prime is 409072093. The next prime is 409072117. The reversal of 409072097 is 790270904.

It is a happy number.

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 409072097 - 2² = 409072093 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 409072097.

It is not an unprimeable number, because it can be changed into a prime (409072093) 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, 29219429 + ... + 29219442.

It is an arithmetic number, because the mean of its divisors is an integer number (116877744).

Almost surely, 2^409072097 is an apocalyptic number.

It is an amenable number.

409072097 is a deficient number, since it is larger than the sum of its proper divisors (58438879).

409072097 is an equidigital number, since it uses as much as digits as its factorization.

409072097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58438878.

The product of its (nonzero) digits is 31752, while the sum is 38.

The square root of 409072097 is about 20225.5308212170. The cubic root of 409072097 is about 742.3350256049.

The spelling of 409072097 in words is "four hundred nine million, seventy-two thousand, ninety-seven".