1938675837 has 12 divisors (see below), whose sum is σ = 3006926016. Its totient is φ = 1107814680.

The previous prime is 1938675829. The next prime is 1938675841. The reversal of 1938675837 is 7385768391.

It is not a de Polignac number, because 1938675837 - 2³ = 1938675829 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1938675437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6593989 + ... + 6594282.

It is an arithmetic number, because the mean of its divisors is an integer number (250577168).

Almost surely, 2^1938675837 is an apocalyptic number.

It is an amenable number.

1938675837 is a deficient number, since it is larger than the sum of its proper divisors (1068250179).

1938675837 is a wasteful number, since it uses less digits than its factorization.

1938675837 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13188288 (or 13188281 counting only the distinct ones).

The product of its digits is 7620480, while the sum is 57.

The square root of 1938675837 is about 44030.3967390711. The cubic root of 1938675837 is about 1246.9098791105.

The spelling of 1938675837 in words is "one billion, nine hundred thirty-eight million, six hundred seventy-five thousand, eight hundred thirty-seven".