9901011009983 has 2 divisors, whose sum is σ = 9901011009984. Its totient is φ = 9901011009982.

The previous prime is 9901011009979. The next prime is 9901011010021. The reversal of 9901011009983 is 3899001101099.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 9901011009983 - 2² = 9901011009979 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9901011009943) 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, 4950505504991 + 4950505504992.

It is an arithmetic number, because the mean of its divisors is an integer number (4950505504992).

Almost surely, 2^{9901011009983} is an apocalyptic number.

9901011009983 is a deficient number, since it is larger than the sum of its proper divisors (1).

9901011009983 is an equidigital number, since it uses as much as digits as its factorization.

9901011009983 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 157464, while the sum is 50.

The spelling of 9901011009983 in words is "nine trillion, nine hundred one billion, eleven million, nine thousand, nine hundred eighty-three".