838351133 has 2 divisors, whose sum is σ = 838351134. Its totient is φ = 838351132.

The previous prime is 838351103. The next prime is 838351153. The reversal of 838351133 is 331153838.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 620109604 + 218241529 = 24902^2 + 14773^2 .

It is a cyclic number.

It is not a de Polignac number, because 838351133 - 2¹⁶ = 838285597 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 838351093 and 838351102.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (838351103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 419175566 + 419175567.

It is an arithmetic number, because the mean of its divisors is an integer number (419175567).

Almost surely, 2^838351133 is an apocalyptic number.

It is an amenable number.

838351133 is a deficient number, since it is larger than the sum of its proper divisors (1).

838351133 is an equidigital number, since it uses as much as digits as its factorization.

838351133 is an evil number, because the sum of its binary digits is even.

The product of its digits is 25920, while the sum is 35.

The square root of 838351133 is about 28954.2938611875. The cubic root of 838351133 is about 942.9210226288.

The spelling of 838351133 in words is "eight hundred thirty-eight million, three hundred fifty-one thousand, one hundred thirty-three".