838757069009 has 4 divisors (see below), whose sum is σ = 838758966180. Its totient is φ = 838755171840.

The previous prime is 838757068993. The next prime is 838757069041. The reversal of 838757069009 is 900960757838.

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 302090938384 + 536666130625 = 549628^2 + 732575^2 .

It is a cyclic number.

It is not a de Polignac number, because 838757069009 - 2⁴ = 838757068993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (838757069069) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 103649 + ... + 1299329.

It is an arithmetic number, because the mean of its divisors is an integer number (209689741545).

Almost surely, 2^838757069009 is an apocalyptic number.

It is an amenable number.

838757069009 is a deficient number, since it is larger than the sum of its proper divisors (1897171).

838757069009 is a wasteful number, since it uses less digits than its factorization.

838757069009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1897170.

The product of its (nonzero) digits is 22861440, while the sum is 62.

The spelling of 838757069009 in words is "eight hundred thirty-eight billion, seven hundred fifty-seven million, sixty-nine thousand, nine".