1838334349 has 2 divisors, whose sum is σ = 1838334350. Its totient is φ = 1838334348.

The previous prime is 1838334301. The next prime is 1838334367. The reversal of 1838334349 is 9434338381.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1478018025 + 360316324 = 38445^2 + 18982^2 .

It is a cyclic number.

It is not a de Polignac number, because 1838334349 - 2⁷ = 1838334221 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1838334299 and 1838334308.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1838334149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 919167174 + 919167175.

It is an arithmetic number, because the mean of its divisors is an integer number (919167175).

Almost surely, 2^1838334349 is an apocalyptic number.

It is an amenable number.

1838334349 is a deficient number, since it is larger than the sum of its proper divisors (1).

1838334349 is an equidigital number, since it uses as much as digits as its factorization.

1838334349 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 746496, while the sum is 46.

The square root of 1838334349 is about 42875.8014385737. The cubic root of 1838334349 is about 1225.0152654491.

The spelling of 1838334349 in words is "one billion, eight hundred thirty-eight million, three hundred thirty-four thousand, three hundred forty-nine".