191797455241 has 32 divisors (see below), whose sum is σ = 223875276800. Its totient is φ = 160934086656.

The previous prime is 191797455221. The next prime is 191797455251. The reversal of 191797455241 is 142554797191.

It is not a de Polignac number, because 191797455241 - 2⁹ = 191797454729 is a prime.

It is not an unprimeable number, because it can be changed into a prime (191797455221) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 30092131 + ... + 30098503.

It is an arithmetic number, because the mean of its divisors is an integer number (6996102400).

Almost surely, 2^191797455241 is an apocalyptic number.

It is an amenable number.

191797455241 is a deficient number, since it is larger than the sum of its proper divisors (32077821559).

191797455241 is a wasteful number, since it uses less digits than its factorization.

191797455241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6953.

The product of its digits is 3175200, while the sum is 55.

The spelling of 191797455241 in words is "one hundred ninety-one billion, seven hundred ninety-seven million, four hundred fifty-five thousand, two hundred forty-one".