409090909090927 has 16 divisors (see below), whose sum is σ = 482616598116352. Its totient is φ = 339336366996960.

The previous prime is 409090909090909. The next prime is 409090909091003. The reversal of 409090909090927 is 729090909090904.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-409090909090927 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (409090909093927) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39225973 + ... + 48547489.

It is an arithmetic number, because the mean of its divisors is an integer number (30163537382272).

Almost surely, 2^{409090909090927} is an apocalyptic number.

409090909090927 is a deficient number, since it is larger than the sum of its proper divisors (73525689025425).

409090909090927 is a wasteful number, since it uses less digits than its factorization.

409090909090927 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9523798.

The product of its (nonzero) digits is 29760696, while the sum is 67.

The spelling of 409090909090927 in words is "four hundred nine trillion, ninety billion, nine hundred nine million, ninety thousand, nine hundred twenty-seven".