409091004422 has 4 divisors (see below), whose sum is σ = 613636506636. Its totient is φ = 204545502210.

The previous prime is 409091004419. The next prime is 409091004431. The reversal of 409091004422 is 224400190904.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102272751104 + ... + 102272751107.

It is an arithmetic number, because the mean of its divisors is an integer number (153409126659).

Almost surely, 2^409091004422 is an apocalyptic number.

409091004422 is a deficient number, since it is larger than the sum of its proper divisors (204545502214).

409091004422 is a wasteful number, since it uses less digits than its factorization.

409091004422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204545502213.

The product of its (nonzero) digits is 20736, while the sum is 35.

The spelling of 409091004422 in words is "four hundred nine billion, ninety-one million, four thousand, four hundred twenty-two".