5389644727 has 2 divisors, whose sum is σ = 5389644728. Its totient is φ = 5389644726.

The previous prime is 5389644697. The next prime is 5389644731. The reversal of 5389644727 is 7274469835.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5389644727 - 2²³ = 5381256119 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5389644427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2694822363 + 2694822364.

It is an arithmetic number, because the mean of its divisors is an integer number (2694822364).

Almost surely, 2^5389644727 is an apocalyptic number.

5389644727 is a deficient number, since it is larger than the sum of its proper divisors (1).

5389644727 is an equidigital number, since it uses as much as digits as its factorization.

5389644727 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10160640, while the sum is 55.

The square root of 5389644727 is about 73414.1997640783. The cubic root of 5389644727 is about 1753.2884808034.

The spelling of 5389644727 in words is "five billion, three hundred eighty-nine million, six hundred forty-four thousand, seven hundred twenty-seven".