409369012 has 24 divisors (see below), whose sum is σ = 796393472. Its totient is φ = 182844000.

The previous prime is 409369001. The next prime is 409369021. The reversal of 409369012 is 210963904.

It is a super-3 number, since 3×409369012³ (a number of 27 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 125364 + ... + 128587.

Almost surely, 2^409369012 is an apocalyptic number.

It is an amenable number.

409369012 is a deficient number, since it is larger than the sum of its proper divisors (387024460).

409369012 is a wasteful number, since it uses less digits than its factorization.

409369012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 253999 (or 253997 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 34.

The square root of 409369012 is about 20232.8695938070. The cubic root of 409369012 is about 742.5145840908.

The spelling of 409369012 in words is "four hundred nine million, three hundred sixty-nine thousand, twelve".