1838108943 has 90 divisors (see below), whose sum is σ = 3139808672. Its totient is φ = 1070768160.

The previous prime is 1838108941. The next prime is 1838108959. The reversal of 1838108943 is 3498018381.

It is not a de Polignac number, because 1838108943 - 2¹ = 1838108941 is a prime.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1838108941) 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 in 89 ways as a sum of consecutive naturals, for example, 8242530 + ... + 8242752.

Almost surely, 2^1838108943 is an apocalyptic number.

1838108943 is a deficient number, since it is larger than the sum of its proper divisors (1301699729).

1838108943 is a wasteful number, since it uses less digits than its factorization.

1838108943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 315 (or 266 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 45.

The square root of 1838108943 is about 42873.1727657285. The cubic root of 1838108943 is about 1224.9651952905.

The spelling of 1838108943 in words is "one billion, eight hundred thirty-eight million, one hundred eight thousand, nine hundred forty-three".