191850422673 has 96 divisors (see below), whose sum is σ = 334938455040. Its totient is φ = 94857246720.

The previous prime is 191850422671. The next prime is 191850422681. The reversal of 191850422673 is 376224058191.

It is not a de Polignac number, because 191850422673 - 2¹ = 191850422671 is a prime.

It is not an unprimeable number, because it can be changed into a prime (191850422671) 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 95 ways as a sum of consecutive naturals, for example, 48802518 + ... + 48806448.

It is an arithmetic number, because the mean of its divisors is an integer number (3488942240).

It is a 1-persistent number, because it is pandigital, but 2⋅191850422673 = 383700845346 is not.

Almost surely, 2^191850422673 is an apocalyptic number.

191850422673 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

191850422673 is a deficient number, since it is larger than the sum of its proper divisors (143088032367).

191850422673 is a wasteful number, since it uses less digits than its factorization.

191850422673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4167 (or 4070 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 48.

The spelling of 191850422673 in words is "one hundred ninety-one billion, eight hundred fifty million, four hundred twenty-two thousand, six hundred seventy-three".