391421124193 has 8 divisors (see below), whose sum is σ = 427127220576. Its totient is φ = 355735420800.

The previous prime is 391421124173. The next prime is 391421124307.

391421124193 is nontrivially palindromic in base 10.

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

It is a cyclic number.

It is not a de Polignac number, because 391421124193 - 2⁵ = 391421124161 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (391421124173) 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 7 ways as a sum of consecutive naturals, for example, 5058096 + ... + 5134897.

It is an arithmetic number, because the mean of its divisors is an integer number (53390902572).

Almost surely, 2^391421124193 is an apocalyptic number.

It is an amenable number.

391421124193 is a deficient number, since it is larger than the sum of its proper divisors (35706096383).

391421124193 is a wasteful number, since it uses less digits than its factorization.

391421124193 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10196495.

The product of its digits is 46656, while the sum is 40.

The spelling of 391421124193 in words is "three hundred ninety-one billion, four hundred twenty-one million, one hundred twenty-four thousand, one hundred ninety-three".