1983768733 has 2 divisors, whose sum is σ = 1983768734. Its totient is φ = 1983768732.

The previous prime is 1983768667. The next prime is 1983768737. The reversal of 1983768733 is 3378673891.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1983188089 + 580644 = 44533^2 + 762^2 .

It is a cyclic number.

It is not a de Polignac number, because 1983768733 - 2¹⁷ = 1983637661 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1983768737) 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, 991884366 + 991884367.

It is an arithmetic number, because the mean of its divisors is an integer number (991884367).

Almost surely, 2^1983768733 is an apocalyptic number.

It is an amenable number.

1983768733 is a deficient number, since it is larger than the sum of its proper divisors (1).

1983768733 is an equidigital number, since it uses as much as digits as its factorization.

1983768733 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4572288, while the sum is 55.

The square root of 1983768733 is about 44539.5187782715. The cubic root of 1983768733 is about 1256.5034352906.

The spelling of 1983768733 in words is "one billion, nine hundred eighty-three million, seven hundred sixty-eight thousand, seven hundred thirty-three".