409432087269 has 12 divisors (see below), whose sum is σ = 592441281900. Its totient is φ = 272475011904.

The previous prime is 409432087243. The next prime is 409432087279. The reversal of 409432087269 is 962780234904.

409432087269 is a `hidden beast` number, since 409 + 4 + 3 + 208 + 7 + 26 + 9 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 31376808225 + 378055279044 = 177135^2 + 614862^2 .

It is not a de Polignac number, because 409432087269 - 2¹⁵ = 409432054501 is a prime.

It is a super-2 number, since 2×409432087269² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (409432087279) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 39970674 + ... + 39980915.

It is an arithmetic number, because the mean of its divisors is an integer number (49370106825).

Almost surely, 2^409432087269 is an apocalyptic number.

It is an amenable number.

409432087269 is a deficient number, since it is larger than the sum of its proper divisors (183009194631).

409432087269 is a wasteful number, since it uses less digits than its factorization.

409432087269 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79952164 (or 79952161 counting only the distinct ones).

The product of its (nonzero) digits is 5225472, while the sum is 54.

It can be divided in two parts, 40943 and 2087269, that added together give a palindrome (2128212).

The spelling of 409432087269 in words is "four hundred nine billion, four hundred thirty-two million, eighty-seven thousand, two hundred sixty-nine".