1000001009983 has 2 divisors, whose sum is σ = 1000001009984. Its totient is φ = 1000001009982.

The previous prime is 1000001009981. The next prime is 1000001010013. The reversal of 1000001009983 is 3899001000001.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1000001009983 - 2¹ = 1000001009981 is a prime.

It is a super-3 number, since 3×1000001009983³ (a number of 37 digits) contains 333 as substring.

Together with 1000001009981, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1000001009981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500000504991 + 500000504992.

It is an arithmetic number, because the mean of its divisors is an integer number (500000504992).

Almost surely, 2^{1000001009983} is an apocalyptic number.

1000001009983 is a deficient number, since it is larger than the sum of its proper divisors (1).

1000001009983 is an equidigital number, since it uses as much as digits as its factorization.

1000001009983 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1944, while the sum is 31.

Adding to 1000001009983 its reverse (3899001000001), we get a palindrome (4899002009984).

The spelling of 1000001009983 in words is "one trillion, one million, nine thousand, nine hundred eighty-three".