193999147982 has 8 divisors (see below), whose sum is σ = 291494462616. Its totient is φ = 96834327112.

The previous prime is 193999147981. The next prime is 193999148033. The reversal of 193999147982 is 289741999391.

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 (193999147981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 82621973 + ... + 82624320.

It is an arithmetic number, because the mean of its divisors is an integer number (36436807827).

Almost surely, 2^193999147982 is an apocalyptic number.

193999147982 is a deficient number, since it is larger than the sum of its proper divisors (97495314634).

193999147982 is a wasteful number, since it uses less digits than its factorization.

193999147982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165246882.

The product of its digits is 79361856, while the sum is 71.

The spelling of 193999147982 in words is "one hundred ninety-three billion, nine hundred ninety-nine million, one hundred forty-seven thousand, nine hundred eighty-two".