99999989999983 has 2 divisors, whose sum is σ = 99999989999984. Its totient is φ = 99999989999982.

The previous prime is 99999989999951. The next prime is 99999990000107. The reversal of 99999989999983 is 38999998999999.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 99999989999983 - 2⁵ = 99999989999951 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (99999989999683) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49999994999991 + 49999994999992.

It is an arithmetic number, because the mean of its divisors is an integer number (49999994999992).

Almost surely, 2^{99999989999983} is an apocalyptic number.

99999989999983 is a deficient number, since it is larger than the sum of its proper divisors (1).

99999989999983 is an equidigital number, since it uses as much as digits as its factorization.

99999989999983 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6025163444928, while the sum is 118.

The spelling of 99999989999983 in words is "ninety-nine trillion, nine hundred ninety-nine billion, nine hundred eighty-nine million, nine hundred ninety-nine thousand, nine hundred eighty-three".