838359750161 has 2 divisors, whose sum is σ = 838359750162. Its totient is φ = 838359750160.

The previous prime is 838359750139. The next prime is 838359750181. The reversal of 838359750161 is 161057953838.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 486199398400 + 352160351761 = 697280^2 + 593431^2 .

It is a cyclic number.

It is not a de Polignac number, because 838359750161 - 2³⁰ = 837286008337 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 838359750097 and 838359750106.

It is not a weakly prime, because it can be changed into another prime (838359750131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 419179875080 + 419179875081.

It is an arithmetic number, because the mean of its divisors is an integer number (419179875081).

Almost surely, 2^838359750161 is an apocalyptic number.

It is an amenable number.

838359750161 is a deficient number, since it is larger than the sum of its proper divisors (1).

838359750161 is an equidigital number, since it uses as much as digits as its factorization.

838359750161 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5443200, while the sum is 56.

The spelling of 838359750161 in words is "eight hundred thirty-eight billion, three hundred fifty-nine million, seven hundred fifty thousand, one hundred sixty-one".