5385705181 has 2 divisors, whose sum is σ = 5385705182. Its totient is φ = 5385705180.

The previous prime is 5385705133. The next prime is 5385705191. The reversal of 5385705181 is 1815075835.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2814302500 + 2571402681 = 53050^2 + 50709^2 .

It is a cyclic number.

It is not a de Polignac number, because 5385705181 - 2¹⁹ = 5385180893 is a prime.

It is a super-2 number, since 2×5385705181² = 58011640593300485522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5385705131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2692852590 + 2692852591.

It is an arithmetic number, because the mean of its divisors is an integer number (2692852591).

Almost surely, 2^5385705181 is an apocalyptic number.

It is an amenable number.

5385705181 is a deficient number, since it is larger than the sum of its proper divisors (1).

5385705181 is an equidigital number, since it uses as much as digits as its factorization.

5385705181 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 168000, while the sum is 43.

The square root of 5385705181 is about 73387.3639055117. The cubic root of 5385705181 is about 1752.8611895453.

The spelling of 5385705181 in words is "five billion, three hundred eighty-five million, seven hundred five thousand, one hundred eighty-one".