9991000342 has 8 divisors (see below), whose sum is σ = 14986962216. Its totient is φ = 4995346272.

The previous prime is 9991000319. The next prime is 9991000343. The reversal of 9991000342 is 2430001999.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9991000343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39358 + ... + 146734.

It is an arithmetic number, because the mean of its divisors is an integer number (1873370277).

Almost surely, 2^9991000342 is an apocalyptic number.

9991000342 is a deficient number, since it is larger than the sum of its proper divisors (4995961874).

9991000342 is a wasteful number, since it uses less digits than its factorization.

9991000342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153902.

The product of its (nonzero) digits is 17496, while the sum is 37.

The square root of 9991000342 is about 99954.9915812112. The cubic root of 9991000342 is about 2153.7881902040.

The spelling of 9991000342 in words is "nine billion, nine hundred ninety-one million, three hundred forty-two", and thus it is an aban number.