5436927748181 has 2 divisors, whose sum is σ = 5436927748182. Its totient is φ = 5436927748180.

The previous prime is 5436927748111. The next prime is 5436927748183. The reversal of 5436927748181 is 1818477296345.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5050510107556 + 386417640625 = 2247334^2 + 621625^2 .

It is a cyclic number.

It is not a de Polignac number, because 5436927748181 - 2¹⁸ = 5436927486037 is a prime.

It is a super-2 number, since 2×5436927748181² (a number of 26 digits) contains 22 as substring.

Together with 5436927748183, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5436927748183) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2718463874090 + 2718463874091.

It is an arithmetic number, because the mean of its divisors is an integer number (2718463874091).

Almost surely, 2^{5436927748181} is an apocalyptic number.

It is an amenable number.

5436927748181 is a deficient number, since it is larger than the sum of its proper divisors (1).

5436927748181 is an equidigital number, since it uses as much as digits as its factorization.

5436927748181 is an evil number, because the sum of its binary digits is even.

The product of its digits is 81285120, while the sum is 65.

The spelling of 5436927748181 in words is "five trillion, four hundred thirty-six billion, nine hundred twenty-seven million, seven hundred forty-eight thousand, one hundred eighty-one".