191325277383 has 16 divisors (see below), whose sum is σ = 266669646336. Its totient is φ = 121785461600.

The previous prime is 191325277333. The next prime is 191325277427. The reversal of 191325277383 is 383772523191.

It is a cyclic number.

It is not a de Polignac number, because 191325277383 - 2⁹ = 191325276871 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (191325277333) 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 15 ways as a sum of consecutive naturals, for example, 2450643 + ... + 2527508.

It is an arithmetic number, because the mean of its divisors is an integer number (16666852896).

Almost surely, 2^191325277383 is an apocalyptic number.

191325277383 is a deficient number, since it is larger than the sum of its proper divisors (75344368953).

191325277383 is a wasteful number, since it uses less digits than its factorization.

191325277383 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4978734.

The product of its digits is 1905120, while the sum is 51.

The spelling of 191325277383 in words is "one hundred ninety-one billion, three hundred twenty-five million, two hundred seventy-seven thousand, three hundred eighty-three".