412318909 has 4 divisors (see below), whose sum is σ = 415086300. Its totient is φ = 409551520.

The previous prime is 412318883. The next prime is 412318927. The reversal of 412318909 is 909813214.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 120934009 + 291384900 = 10997^2 + 17070^2 .

It is a cyclic number.

It is not a de Polignac number, because 412318909 - 2⁹ = 412318397 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (412318979) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1383472 + ... + 1383769.

It is an arithmetic number, because the mean of its divisors is an integer number (103771575).

Almost surely, 2^412318909 is an apocalyptic number.

It is an amenable number.

412318909 is a deficient number, since it is larger than the sum of its proper divisors (2767391).

412318909 is a wasteful number, since it uses less digits than its factorization.

412318909 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2767390.

The product of its (nonzero) digits is 15552, while the sum is 37.

The square root of 412318909 is about 20305.6373699522. The cubic root of 412318909 is about 744.2938274872.

It can be divided in two parts, 4123 and 18909, that added together give a palindrome (23032).

The spelling of 412318909 in words is "four hundred twelve million, three hundred eighteen thousand, nine hundred nine".