409825904485 has 8 divisors (see below), whose sum is σ = 492287348736. Its totient is φ = 327529881360.

The previous prime is 409825904473. The next prime is 409825904507. The reversal of 409825904485 is 584409528904.

It is a happy number.

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

It is not a de Polignac number, because 409825904485 - 2²⁵ = 409792350053 is a prime.

It is a Duffinian number.

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, 41349829 + ... + 41359738.

It is an arithmetic number, because the mean of its divisors is an integer number (61535918592).

Almost surely, 2^409825904485 is an apocalyptic number.

It is an amenable number.

409825904485 is a deficient number, since it is larger than the sum of its proper divisors (82461444251).

409825904485 is an equidigital number, since it uses as much as digits as its factorization.

409825904485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82710563.

The product of its (nonzero) digits is 16588800, while the sum is 58.

The spelling of 409825904485 in words is "four hundred nine billion, eight hundred twenty-five million, nine hundred four thousand, four hundred eighty-five".