409423981269 has 8 divisors (see below), whose sum is σ = 546073565632. Its totient is φ = 272861858880.

The previous prime is 409423981159. The next prime is 409423981271. The reversal of 409423981269 is 962189324904.

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

It is not a de Polignac number, because 409423981269 - 2¹² = 409423977173 is a prime.

It is a super-2 number, since 2×409423981269² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (409423981289) 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, 21854569 + ... + 21873294.

It is an arithmetic number, because the mean of its divisors is an integer number (68259195704).

Almost surely, 2^409423981269 is an apocalyptic number.

It is an amenable number.

409423981269 is a deficient number, since it is larger than the sum of its proper divisors (136649584363).

409423981269 is a wasteful number, since it uses less digits than its factorization.

409423981269 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43730987.

The product of its (nonzero) digits is 6718464, while the sum is 57.

The spelling of 409423981269 in words is "four hundred nine billion, four hundred twenty-three million, nine hundred eighty-one thousand, two hundred sixty-nine".