391241142193 has 8 divisors (see below), whose sum is σ = 430724194560. Its totient is φ = 352410702480.

The previous prime is 391241142191. The next prime is 391241142221.

391241142193 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 391241142193 - 2¹ = 391241142191 is a prime.

It is not an unprimeable number, because it can be changed into a prime (391241142191) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 163151905 + ... + 163154302.

It is an arithmetic number, because the mean of its divisors is an integer number (53840524320).

Almost surely, 2^391241142193 is an apocalyptic number.

It is an amenable number.

391241142193 is a deficient number, since it is larger than the sum of its proper divisors (39483052367).

391241142193 is a wasteful number, since it uses less digits than its factorization.

391241142193 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 326306327.

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

The spelling of 391241142193 in words is "three hundred ninety-one billion, two hundred forty-one million, one hundred forty-two thousand, one hundred ninety-three".