5271634191727 has 4 divisors (see below), whose sum is σ = 5271645145000. Its totient is φ = 5271623238456.

The previous prime is 5271634191697. The next prime is 5271634191757. The reversal of 5271634191727 is 7271914361725.

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

It is an interprime number because it is at equal distance from previous prime (5271634191697) and next prime (5271634191757).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5271634191727 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 (5271634191757) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4719852 + ... + 5728897.

It is an arithmetic number, because the mean of its divisors is an integer number (1317911286250).

Almost surely, 2^{5271634191727} is an apocalyptic number.

5271634191727 is a deficient number, since it is larger than the sum of its proper divisors (10953273).

5271634191727 is a wasteful number, since it uses less digits than its factorization.

5271634191727 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10953272.

The product of its digits is 4445280, while the sum is 55.

The spelling of 5271634191727 in words is "five trillion, two hundred seventy-one billion, six hundred thirty-four million, one hundred ninety-one thousand, seven hundred twenty-seven".