838757069069 has 2 divisors, whose sum is σ = 838757069070. Its totient is φ = 838757069068.

The previous prime is 838757069053. The next prime is 838757069071. The reversal of 838757069069 is 960960757838.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 838561432900 + 195636169 = 915730^2 + 13987^2 .

It is a cyclic number.

It is not a de Polignac number, because 838757069069 - 2⁴ = 838757069053 is a prime.

It is a super-2 number, since 2×838757069069² (a number of 25 digits) contains 22 as substring.

Together with 838757069071, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (838757069369) 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 as a sum of consecutive naturals, namely, 419378534534 + 419378534535.

It is an arithmetic number, because the mean of its divisors is an integer number (419378534535).

Almost surely, 2^838757069069 is an apocalyptic number.

It is an amenable number.

838757069069 is a deficient number, since it is larger than the sum of its proper divisors (1).

838757069069 is an equidigital number, since it uses as much as digits as its factorization.

838757069069 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 137168640, while the sum is 68.

The spelling of 838757069069 in words is "eight hundred thirty-eight billion, seven hundred fifty-seven million, sixty-nine thousand, sixty-nine".