409009728898 has 8 divisors (see below), whose sum is σ = 613524667392. Its totient is φ = 204501506436.

The previous prime is 409009728877. The next prime is 409009728931. The reversal of 409009728898 is 898827900904.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1523890 + ... + 1772077.

It is an arithmetic number, because the mean of its divisors is an integer number (76690583424).

Almost surely, 2^409009728898 is an apocalyptic number.

409009728898 is a deficient number, since it is larger than the sum of its proper divisors (204514938494).

409009728898 is a wasteful number, since it uses less digits than its factorization.

409009728898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3358016.

The product of its (nonzero) digits is 20901888, while the sum is 64.

The spelling of 409009728898 in words is "four hundred nine billion, nine million, seven hundred twenty-eight thousand, eight hundred ninety-eight".