409004860489 has 6 divisors (see below), whose sum is σ = 416054646170. Its totient is φ = 402072571296.

The previous prime is 409004860393. The next prime is 409004860513. The reversal of 409004860489 is 984068400904.

It can be written as a sum of positive squares in only one way, i.e., 344281430025 + 64723430464 = 586755^2 + 254408^2 .

It is not a de Polignac number, because 409004860489 - 2¹⁹ = 409004336201 is a prime.

It is a super-3 number, since 3×409004860489³ (a number of 36 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (409004860189) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 58744704 + ... + 58751665.

Almost surely, 2^409004860489 is an apocalyptic number.

It is an amenable number.

409004860489 is a deficient number, since it is larger than the sum of its proper divisors (7049785681).

409004860489 is an equidigital number, since it uses as much as digits as its factorization.

409004860489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117496487 (or 117496428 counting only the distinct ones).

The product of its (nonzero) digits is 1990656, while the sum is 52.

The spelling of 409004860489 in words is "four hundred nine billion, four million, eight hundred sixty thousand, four hundred eighty-nine".