409478164780141 has 4 divisors (see below), whose sum is σ = 413305063516512. Its totient is φ = 405651266043772.

The previous prime is 409478164780081. The next prime is 409478164780177. The reversal of 409478164780141 is 141087461874904.

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 a cyclic number.

It is not a de Polignac number, because 409478164780141 - 2³³ = 409469574845549 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (409478164780441) 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, 1913449368025 + ... + 1913449368238.

It is an arithmetic number, because the mean of its divisors is an integer number (103326265879128).

Almost surely, 2^{409478164780141} is an apocalyptic number.

It is an amenable number.

409478164780141 is a deficient number, since it is larger than the sum of its proper divisors (3826898736371).

409478164780141 is a wasteful number, since it uses less digits than its factorization.

409478164780141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3826898736370.

The product of its (nonzero) digits is 43352064, while the sum is 64.

The spelling of 409478164780141 in words is "four hundred nine trillion, four hundred seventy-eight billion, one hundred sixty-four million, seven hundred eighty thousand, one hundred forty-one".