841398140393 has 4 divisors (see below), whose sum is σ = 841431592848. Its totient is φ = 841364687940.

The previous prime is 841398140381. The next prime is 841398140417. The reversal of 841398140393 is 393041893148.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 841398140393 - 2¹⁰ = 841398139369 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (841398140353) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16688471 + ... + 16738812.

It is an arithmetic number, because the mean of its divisors is an integer number (210357898212).

Almost surely, 2^841398140393 is an apocalyptic number.

It is an amenable number.

841398140393 is a deficient number, since it is larger than the sum of its proper divisors (33452455).

841398140393 is a wasteful number, since it uses less digits than its factorization.

841398140393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33452454.

The product of its (nonzero) digits is 2239488, while the sum is 53.

The spelling of 841398140393 in words is "eight hundred forty-one billion, three hundred ninety-eight million, one hundred forty thousand, three hundred ninety-three".