191082882973 has 4 divisors (see below), whose sum is σ = 191083913020. Its totient is φ = 191081852928.

The previous prime is 191082882967. The next prime is 191082882983. The reversal of 191082882973 is 379288280191.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 142912729444 + 48170153529 = 378038^2 + 219477^2 .

It is a cyclic number.

It is not a de Polignac number, because 191082882973 - 2²⁹ = 190546012061 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 (191082882983) 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, 150990 + ... + 636367.

It is an arithmetic number, because the mean of its divisors is an integer number (47770978255).

Almost surely, 2^191082882973 is an apocalyptic number.

It is an amenable number.

191082882973 is a deficient number, since it is larger than the sum of its proper divisors (1030047).

191082882973 is an equidigital number, since it uses as much as digits as its factorization.

191082882973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1030046.

The product of its (nonzero) digits is 3483648, while the sum is 58.

The spelling of 191082882973 in words is "one hundred ninety-one billion, eighty-two million, eight hundred eighty-two thousand, nine hundred seventy-three".