9990343503512 has 16 divisors (see below), whose sum is σ = 18782113629840. Its totient is φ = 4981779868896.

The previous prime is 9990343503473. The next prime is 9990343503557. The reversal of 9990343503512 is 2153053430999.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1673982188 + ... + 1673988155.

It is an arithmetic number, because the mean of its divisors is an integer number (1173882101865).

Almost surely, 2^{9990343503512} is an apocalyptic number.

It is an amenable number.

9990343503512 is a deficient number, since it is larger than the sum of its proper divisors (8791770126328).

9990343503512 is a wasteful number, since it uses less digits than its factorization.

9990343503512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3347970722 (or 3347970718 counting only the distinct ones).

The product of its (nonzero) digits is 3936600, while the sum is 53.

The spelling of 9990343503512 in words is "nine trillion, nine hundred ninety billion, three hundred forty-three million, five hundred three thousand, five hundred twelve".