9930555549799 has 2 divisors, whose sum is σ = 9930555549800. Its totient is φ = 9930555549798.

The previous prime is 9930555549781. The next prime is 9930555549833. The reversal of 9930555549799 is 9979455550399.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 9930555549799 - 2¹³ = 9930555541607 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9930555549899) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4965277774899 + 4965277774900.

It is an arithmetic number, because the mean of its divisors is an integer number (4965277774900).

Almost surely, 2^{9930555549799} is an apocalyptic number.

9930555549799 is a deficient number, since it is larger than the sum of its proper divisors (1).

9930555549799 is an equidigital number, since it uses as much as digits as its factorization.

9930555549799 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3100072500, while the sum is 79.

The spelling of 9930555549799 in words is "nine trillion, nine hundred thirty billion, five hundred fifty-five million, five hundred forty-nine thousand, seven hundred ninety-nine".