5387618349181 has 2 divisors, whose sum is σ = 5387618349182. Its totient is φ = 5387618349180.

The previous prime is 5387618349167. The next prime is 5387618349203. The reversal of 5387618349181 is 1819438167835.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5250014446681 + 137603902500 = 2291291^2 + 370950^2 .

It is a cyclic number.

It is not a de Polignac number, because 5387618349181 - 2¹⁷ = 5387618218109 is a prime.

It is a super-2 number, since 2×5387618349181² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5387618379181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2693809174590 + 2693809174591.

It is an arithmetic number, because the mean of its divisors is an integer number (2693809174591).

Almost surely, 2^{5387618349181} is an apocalyptic number.

It is an amenable number.

5387618349181 is a deficient number, since it is larger than the sum of its proper divisors (1).

5387618349181 is an equidigital number, since it uses as much as digits as its factorization.

5387618349181 is an evil number, because the sum of its binary digits is even.

The product of its digits is 34836480, while the sum is 64.

The spelling of 5387618349181 in words is "five trillion, three hundred eighty-seven billion, six hundred eighteen million, three hundred forty-nine thousand, one hundred eighty-one".