9983606693 has 2 divisors, whose sum is σ = 9983606694. Its totient is φ = 9983606692.

The previous prime is 9983606687. The next prime is 9983606701. The reversal of 9983606693 is 3966063899.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5420198884 + 4563407809 = 73622^2 + 67553^2 .

It is a cyclic number.

It is not a de Polignac number, because 9983606693 - 2¹⁶ = 9983541157 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9983606623) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4991803346 + 4991803347.

It is an arithmetic number, because the mean of its divisors is an integer number (4991803347).

Almost surely, 2^9983606693 is an apocalyptic number.

It is an amenable number.

9983606693 is a deficient number, since it is larger than the sum of its proper divisors (1).

9983606693 is an equidigital number, since it uses as much as digits as its factorization.

9983606693 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11337408, while the sum is 59.

The square root of 9983606693 is about 99917.9998448728. Note that the first 3 decimals coincide. The cubic root of 9983606693 is about 2153.2567691537.

The spelling of 9983606693 in words is "nine billion, nine hundred eighty-three million, six hundred six thousand, six hundred ninety-three".