194914597271 has 4 divisors (see below), whose sum is σ = 195031384200. Its totient is φ = 194797810344.

The previous prime is 194914597201. The next prime is 194914597279. The reversal of 194914597271 is 172795419491.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-194914597271 is a prime.

It is a super-2 number, since 2×194914597271² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 194914597271.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (194914597279) 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, 58390961 + ... + 58394298.

It is an arithmetic number, because the mean of its divisors is an integer number (48757846050).

Almost surely, 2^194914597271 is an apocalyptic number.

194914597271 is a deficient number, since it is larger than the sum of its proper divisors (116786929).

194914597271 is a wasteful number, since it uses less digits than its factorization.

194914597271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116786928.

The product of its digits is 5715360, while the sum is 59.

The spelling of 194914597271 in words is "one hundred ninety-four billion, nine hundred fourteen million, five hundred ninety-seven thousand, two hundred seventy-one".