408124092009 has 4 divisors (see below), whose sum is σ = 544165456016. Its totient is φ = 272082728004.

The previous prime is 408124091983. The next prime is 408124092031. The reversal of 408124092009 is 900290421804.

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 not a de Polignac number, because 408124092009 - 2¹³ = 408124083817 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (408124092709) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 68020681999 + ... + 68020682004.

It is an arithmetic number, because the mean of its divisors is an integer number (136041364004).

Almost surely, 2^408124092009 is an apocalyptic number.

It is an amenable number.

408124092009 is a deficient number, since it is larger than the sum of its proper divisors (136041364007).

408124092009 is a wasteful number, since it uses less digits than its factorization.

408124092009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136041364006.

The product of its (nonzero) digits is 41472, while the sum is 39.

The spelling of 408124092009 in words is "four hundred eight billion, one hundred twenty-four million, ninety-two thousand, nine".