838359750139 has 2 divisors, whose sum is σ = 838359750140. Its totient is φ = 838359750138.

The previous prime is 838359750131. The next prime is 838359750161. The reversal of 838359750139 is 931057953838.

838359750139 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 838359750139 - 2³ = 838359750131 is a prime.

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, 419179875069 + 419179875070.

It is an arithmetic number, because the mean of its divisors is an integer number (419179875070).

Almost surely, 2^838359750139 is an apocalyptic number.

838359750139 is a deficient number, since it is larger than the sum of its proper divisors (1).

838359750139 is an equidigital number, since it uses as much as digits as its factorization.

838359750139 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24494400, while the sum is 61.

The spelling of 838359750139 in words is "eight hundred thirty-eight billion, three hundred fifty-nine million, seven hundred fifty thousand, one hundred thirty-nine".