191741569138083 has 16 divisors (see below), whose sum is σ = 255913276572576. Its totient is φ = 127698842638080.

The previous prime is 191741569138019. The next prime is 191741569138109. The reversal of 191741569138083 is 380831965147191.

It is a Cunningham number, because it is equal to 13847078²-1.

It is not a de Polignac number, because 191741569138083 - 2⁶ = 191741569138019 is a prime.

It is not an unprimeable number, because it can be changed into a prime (191741569138013) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6923541 + ... + 20770617.

It is an arithmetic number, because the mean of its divisors is an integer number (15994579785786).

Almost surely, 2^{191741569138083} is an apocalyptic number.

191741569138083 is a deficient number, since it is larger than the sum of its proper divisors (64171707434493).

191741569138083 is a wasteful number, since it uses less digits than its factorization.

191741569138083 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13851734.

The product of its (nonzero) digits is 39191040, while the sum is 66.

The spelling of 191741569138083 in words is "one hundred ninety-one trillion, seven hundred forty-one billion, five hundred sixty-nine million, one hundred thirty-eight thousand, eighty-three".