344991048191 has 4 divisors (see below), whose sum is σ = 363148471800. Its totient is φ = 326833624584.

The previous prime is 344991048167. The next prime is 344991048223. The reversal of 344991048191 is 191840199443.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 191840199443 = 197 ⋅973808119.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-344991048191 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (344991048151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9078711776 + ... + 9078711813.

It is an arithmetic number, because the mean of its divisors is an integer number (90787117950).

Almost surely, 2^344991048191 is an apocalyptic number.

344991048191 is a deficient number, since it is larger than the sum of its proper divisors (18157423609).

344991048191 is a wasteful number, since it uses less digits than its factorization.

344991048191 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18157423608.

The product of its (nonzero) digits is 1119744, while the sum is 53.

The spelling of 344991048191 in words is "three hundred forty-four billion, nine hundred ninety-one million, forty-eight thousand, one hundred ninety-one".