9393923923940 has 12 divisors (see below), whose sum is σ = 19727240240316. Its totient is φ = 3757569569568.

The previous prime is 9393923923939. The next prime is 9393923923963. The reversal of 9393923923940 is 493293293939.

It can be written as a sum of positive squares in 2 ways, for example, as 6185089416256 + 3208834507684 = 2486984^2 + 1791322^2 .

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, 234848098079 + ... + 234848098118.

It is an arithmetic number, because the mean of its divisors is an integer number (1643936686693).

Almost surely, 2^{9393923923940} is an apocalyptic number.

It is an amenable number.

9393923923940 is an abundant number, since it is smaller than the sum of its proper divisors (10333316316376).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9393923923940 is a wasteful number, since it uses less digits than its factorization.

9393923923940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 469696196206 (or 469696196204 counting only the distinct ones).

The product of its (nonzero) digits is 76527504, while the sum is 65.

The spelling of 9393923923940 in words is "nine trillion, three hundred ninety-three billion, nine hundred twenty-three million, nine hundred twenty-three thousand, nine hundred forty".