409121463 has 8 divisors (see below), whose sum is σ = 545608576. Its totient is φ = 272691000.

The previous prime is 409121437. The next prime is 409121533. The reversal of 409121463 is 364121904.

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

It is not a de Polignac number, because 409121463 - 2²⁴ = 392344247 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 409121463.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (409121413) 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, 7368 + ... + 29538.

It is an arithmetic number, because the mean of its divisors is an integer number (68201072).

Almost surely, 2^409121463 is an apocalyptic number.

409121463 is a deficient number, since it is larger than the sum of its proper divisors (136487113).

409121463 is a wasteful number, since it uses less digits than its factorization.

409121463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28325.

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 409121463 is about 20226.7511726426. The cubic root of 409121463 is about 742.3648855710.

The spelling of 409121463 in words is "four hundred nine million, one hundred twenty-one thousand, four hundred sixty-three".