1983673829 has 2 divisors, whose sum is σ = 1983673830. Its totient is φ = 1983673828.

The previous prime is 1983673793. The next prime is 1983673831. The reversal of 1983673829 is 9283763891.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1982653729 + 1020100 = 44527^2 + 1010^2 .

It is a cyclic number.

It is not a de Polignac number, because 1983673829 - 2²⁸ = 1715238373 is a prime.

Together with 1983673831, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1983673429) 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, 991836914 + 991836915.

It is an arithmetic number, because the mean of its divisors is an integer number (991836915).

Almost surely, 2^1983673829 is an apocalyptic number.

It is an amenable number.

1983673829 is a deficient number, since it is larger than the sum of its proper divisors (1).

1983673829 is an equidigital number, since it uses as much as digits as its factorization.

1983673829 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3919104, while the sum is 56.

The square root of 1983673829 is about 44538.4533745841. The cubic root of 1983673829 is about 1256.4833978232.

The spelling of 1983673829 in words is "one billion, nine hundred eighty-three million, six hundred seventy-three thousand, eight hundred twenty-nine".