1838903013 has 16 divisors (see below), whose sum is σ = 2790748800. Its totient is φ = 1196033760.

The previous prime is 1838903009. The next prime is 1838903047. The reversal of 1838903013 is 3103098381.

It is not a de Polignac number, because 1838903013 - 2² = 1838903009 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1838903713) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 829473 + ... + 831686.

It is an arithmetic number, because the mean of its divisors is an integer number (174421800).

Almost surely, 2^1838903013 is an apocalyptic number.

It is an amenable number.

1838903013 is a deficient number, since it is larger than the sum of its proper divisors (951845787).

1838903013 is a wasteful number, since it uses less digits than its factorization.

1838903013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1661209 (or 1661203 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 36.

The square root of 1838903013 is about 42882.4324519960. The cubic root of 1838903013 is about 1225.1415664243.

The spelling of 1838903013 in words is "one billion, eight hundred thirty-eight million, nine hundred three thousand, thirteen".