1999983067 has 2 divisors, whose sum is σ = 1999983068. Its totient is φ = 1999983066.

The previous prime is 1999983061. The next prime is 1999983077. The reversal of 1999983067 is 7603899991.

It is a weak prime.

It is an emirp because it is prime and its reverse (7603899991) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1999983067 - 2³ = 1999983059 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1999982996 and 1999983014.

It is not a weakly prime, because it can be changed into another prime (1999983061) 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, 999991533 + 999991534.

It is an arithmetic number, because the mean of its divisors is an integer number (999991534).

Almost surely, 2^1999983067 is an apocalyptic number.

1999983067 is a deficient number, since it is larger than the sum of its proper divisors (1).

1999983067 is an equidigital number, since it uses as much as digits as its factorization.

1999983067 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6613488, while the sum is 61.

The square root of 1999983067 is about 44721.1702328998. The cubic root of 1999983067 is about 1259.9174941776.

The spelling of 1999983067 in words is "one billion, nine hundred ninety-nine million, nine hundred eighty-three thousand, sixty-seven".