1938663048983 has 2 divisors, whose sum is σ = 1938663048984. Its totient is φ = 1938663048982.

The previous prime is 1938663048967. The next prime is 1938663049003. The reversal of 1938663048983 is 3898403668391.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1938663048983 - 2⁴ = 1938663048967 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1938663048913) 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 as a sum of consecutive naturals, namely, 969331524491 + 969331524492.

It is an arithmetic number, because the mean of its divisors is an integer number (969331524492).

Almost surely, 2^{1938663048983} is an apocalyptic number.

1938663048983 is a deficient number, since it is larger than the sum of its proper divisors (1).

1938663048983 is an equidigital number, since it uses as much as digits as its factorization.

1938663048983 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 161243136, while the sum is 68.

The spelling of 1938663048983 in words is "one trillion, nine hundred thirty-eight billion, six hundred sixty-three million, forty-eight thousand, nine hundred eighty-three".