9946038899 has 2 divisors, whose sum is σ = 9946038900. Its totient is φ = 9946038898.

The previous prime is 9946038841. The next prime is 9946038901. The reversal of 9946038899 is 9988306499.

It is a strong prime.

It is an emirp because it is prime and its reverse (9988306499) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 9946038899 - 2¹² = 9946034803 is a prime.

It is a super-2 number, since 2×9946038899² (a number of 21 digits) contains 22 as substring.

Together with 9946038901, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (9946038299) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4973019449 + 4973019450.

It is an arithmetic number, because the mean of its divisors is an integer number (4973019450).

Almost surely, 2^9946038899 is an apocalyptic number.

9946038899 is a deficient number, since it is larger than the sum of its proper divisors (1).

9946038899 is an equidigital number, since it uses as much as digits as its factorization.

9946038899 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 30233088, while the sum is 65.

The square root of 9946038899 is about 99729.8295345981. The cubic root of 9946038899 is about 2150.5525098149.

The spelling of 9946038899 in words is "nine billion, nine hundred forty-six million, thirty-eight thousand, eight hundred ninety-nine".