5388891817 has 2 divisors, whose sum is σ = 5388891818. Its totient is φ = 5388891816.

The previous prime is 5388891793. The next prime is 5388891841. The reversal of 5388891817 is 7181988835.

It is a balanced prime because it is at equal distance from previous prime (5388891793) and next prime (5388891841).

It can be written as a sum of positive squares in only one way, i.e., 5117828521 + 271063296 = 71539^2 + 16464^2 .

It is a cyclic number.

It is not a de Polignac number, because 5388891817 - 2³¹ = 3241408169 is a prime.

It is a super-2 number, since 2×5388891817² = 58080310030659122978, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (5388891877) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2694445908 + 2694445909.

It is an arithmetic number, because the mean of its divisors is an integer number (2694445909).

Almost surely, 2^5388891817 is an apocalyptic number.

It is an amenable number.

5388891817 is a deficient number, since it is larger than the sum of its proper divisors (1).

5388891817 is an equidigital number, since it uses as much as digits as its factorization.

5388891817 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3870720, while the sum is 58.

The square root of 5388891817 is about 73409.0717622829. The cubic root of 5388891817 is about 1753.2068347352.

The spelling of 5388891817 in words is "five billion, three hundred eighty-eight million, eight hundred ninety-one thousand, eight hundred seventeen".