409090909090910 has 16 divisors (see below), whose sum is σ = 737299295382096. Its totient is φ = 163428439410048.

The previous prime is 409090909090909. The next prime is 409090909091003. The reversal of 409090909090910 is 19090909090904.

It is a self number, because there is not a number n which added to its sum of digits gives 409090909090910.

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, 25990520027 + ... + 25990535766.

It is an arithmetic number, because the mean of its divisors is an integer number (46081205961381).

Almost surely, 2^{409090909090910} is an apocalyptic number.

409090909090910 is a deficient number, since it is larger than the sum of its proper divisors (328208386291186).

409090909090910 is a wasteful number, since it uses less digits than its factorization.

409090909090910 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51981056587.

The product of its (nonzero) digits is 2125764, while the sum is 59.

The spelling of 409090909090910 in words is "four hundred nine trillion, ninety billion, nine hundred nine million, ninety thousand, nine hundred ten".