4040739169 has 2 divisors, whose sum is σ = 4040739170. Its totient is φ = 4040739168.

The previous prime is 4040739167. The next prime is 4040739187. The reversal of 4040739169 is 9619370404.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3420729169 + 620010000 = 58487^2 + 24900^2 .

It is a cyclic number.

It is not a de Polignac number, because 4040739169 - 2¹ = 4040739167 is a prime.

It is a super-2 number, since 2×4040739169² = 32655146063781621122, which contains 22 as substring.

Together with 4040739167, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (4040739161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2020369584 + 2020369585.

It is an arithmetic number, because the mean of its divisors is an integer number (2020369585).

Almost surely, 2^4040739169 is an apocalyptic number.

It is an amenable number.

4040739169 is a deficient number, since it is larger than the sum of its proper divisors (1).

4040739169 is an equidigital number, since it uses as much as digits as its factorization.

4040739169 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 163296, while the sum is 43.

The square root of 4040739169 is about 63566.8087054872. The cubic root of 4040739169 is about 1592.7719757575.

The spelling of 4040739169 in words is "four billion, forty million, seven hundred thirty-nine thousand, one hundred sixty-nine".