8013409169 has 4 divisors (see below), whose sum is σ = 8015106996. Its totient is φ = 8011711344.

The previous prime is 8013409141. The next prime is 8013409177. The reversal of 8013409169 is 9619043108.

8013409169 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 2952509569 + 5060899600 = 54337^2 + 71140^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8013409169 is a prime.

It is a super-2 number, since 2×8013409169² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8013409189) 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, 841814 + ... + 851279.

It is an arithmetic number, because the mean of its divisors is an integer number (2003776749).

Almost surely, 2^8013409169 is an apocalyptic number.

It is an amenable number.

8013409169 is a deficient number, since it is larger than the sum of its proper divisors (1697827).

8013409169 is a wasteful number, since it uses less digits than its factorization.

8013409169 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1697826.

The product of its (nonzero) digits is 46656, while the sum is 41.

The square root of 8013409169 is about 89517.6472490201. The cubic root of 8013409169 is about 2001.1168070050.

The spelling of 8013409169 in words is "eight billion, thirteen million, four hundred nine thousand, one hundred sixty-nine".