9983193971 has 2 divisors, whose sum is σ = 9983193972. Its totient is φ = 9983193970.

The previous prime is 9983193919. The next prime is 9983193989. The reversal of 9983193971 is 1793913899.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 9983193971 - 2²⁶ = 9916085107 is a prime.

It is a super-2 number, since 2×9983193971² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 9983193971.

It is not a weakly prime, because it can be changed into another prime (9983193901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4991596985 + 4991596986.

It is an arithmetic number, because the mean of its divisors is an integer number (4991596986).

Almost surely, 2^9983193971 is an apocalyptic number.

9983193971 is a deficient number, since it is larger than the sum of its proper divisors (1).

9983193971 is an equidigital number, since it uses as much as digits as its factorization.

9983193971 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3306744, while the sum is 59.

The square root of 9983193971 is about 99915.9345199753. The cubic root of 9983193971 is about 2153.2270968882.

The spelling of 9983193971 in words is "nine billion, nine hundred eighty-three million, one hundred ninety-three thousand, nine hundred seventy-one".