409597069 has 8 divisors (see below), whose sum is σ = 468236160. Its totient is φ = 350989296.

The previous prime is 409597061. The next prime is 409597157. The reversal of 409597069 is 960795904.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 409597069 - 2³ = 409597061 is a prime.

It is a super-2 number, since 2×409597069² = 335539517866781522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (409597061) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38472 + ... + 47950.

It is an arithmetic number, because the mean of its divisors is an integer number (58529520).

Almost surely, 2^409597069 is an apocalyptic number.

It is an amenable number.

409597069 is a deficient number, since it is larger than the sum of its proper divisors (58639091).

409597069 is an equidigital number, since it uses as much as digits as its factorization.

409597069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15659.

The product of its (nonzero) digits is 612360, while the sum is 49.

The square root of 409597069 is about 20238.5046137307. The cubic root of 409597069 is about 742.6524419550.

The spelling of 409597069 in words is "four hundred nine million, five hundred ninety-seven thousand, sixty-nine".