9009909983 has 2 divisors, whose sum is σ = 9009909984. Its totient is φ = 9009909982.

The previous prime is 9009909959. The next prime is 9009910073. The reversal of 9009909983 is 3899099009.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9009909983 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9009909683) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4504954991 + 4504954992.

It is an arithmetic number, because the mean of its divisors is an integer number (4504954992).

Almost surely, 2^9009909983 is an apocalyptic number.

9009909983 is a deficient number, since it is larger than the sum of its proper divisors (1).

9009909983 is an equidigital number, since it uses as much as digits as its factorization.

9009909983 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1417176, while the sum is 56.

The square root of 9009909983 is about 94920.5456315965. The cubic root of 9009909983 is about 2080.8470094967.

The spelling of 9009909983 in words is "nine billion, nine million, nine hundred nine thousand, nine hundred eighty-three".