9080081909 has 4 divisors (see below), whose sum is σ = 9080383404. Its totient is φ = 9079780416.

The previous prime is 9080081897. The next prime is 9080081929. The reversal of 9080081909 is 9091800809.

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

It can be written as a sum of positive squares in 2 ways, for example, as 5887492900 + 3192589009 = 76730^2 + 56503^2 .

It is a cyclic number.

It is not a de Polignac number, because 9080081909 - 2¹² = 9080077813 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 9080081909.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9080081929) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 99842 + ... + 167715.

It is an arithmetic number, because the mean of its divisors is an integer number (2270095851).

Almost surely, 2^9080081909 is an apocalyptic number.

It is an amenable number.

9080081909 is a deficient number, since it is larger than the sum of its proper divisors (301495).

9080081909 is a wasteful number, since it uses less digits than its factorization.

9080081909 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 301494.

The product of its (nonzero) digits is 46656, while the sum is 44.

The square root of 9080081909 is about 95289.4637879761. The cubic root of 9080081909 is about 2086.2351358039.

The spelling of 9080081909 in words is "nine billion, eighty million, eighty-one thousand, nine hundred nine".