9990343144334 has 12 divisors (see below), whose sum is σ = 17432129364264. Its totient is φ = 4281575633244.

The previous prime is 9990343144321. The next prime is 9990343144337. The reversal of 9990343144334 is 4334413430999.

9990343144334 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×9990343144334² (a number of 27 digits) contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 9990343144334.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9990343144337) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 50971138394 + ... + 50971138589.

It is an arithmetic number, because the mean of its divisors is an integer number (1452677447022).

Almost surely, 2^{9990343144334} is an apocalyptic number.

9990343144334 is a deficient number, since it is larger than the sum of its proper divisors (7441786219930).

9990343144334 is a wasteful number, since it uses less digits than its factorization.

9990343144334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101942276999 (or 101942276992 counting only the distinct ones).

The product of its (nonzero) digits is 15116544, while the sum is 56.

The spelling of 9990343144334 in words is "nine trillion, nine hundred ninety billion, three hundred forty-three million, one hundred forty-four thousand, three hundred thirty-four".