409158912269 has 4 divisors (see below), whose sum is σ = 409175006496. Its totient is φ = 409142818044.

The previous prime is 409158912257. The next prime is 409158912271. The reversal of 409158912269 is 962219851904.

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 a cyclic number.

It is not a de Polignac number, because 409158912269 - 2⁸ = 409158912013 is a prime.

It is a super-2 number, since 2×409158912269² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (409158912769) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8008919 + ... + 8059844.

It is an arithmetic number, because the mean of its divisors is an integer number (102293751624).

Almost surely, 2^409158912269 is an apocalyptic number.

It is an amenable number.

409158912269 is a deficient number, since it is larger than the sum of its proper divisors (16094227).

409158912269 is a wasteful number, since it uses less digits than its factorization.

409158912269 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16094226.

The product of its (nonzero) digits is 2799360, while the sum is 56.

The spelling of 409158912269 in words is "four hundred nine billion, one hundred fifty-eight million, nine hundred twelve thousand, two hundred sixty-nine".