27352761481 has 2 divisors, whose sum is σ = 27352761482. Its totient is φ = 27352761480.

The previous prime is 27352761421. The next prime is 27352761533. The reversal of 27352761481 is 18416725372.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 26973135225 + 379626256 = 164235^2 + 19484^2 .

It is a cyclic number.

It is not a de Polignac number, because 27352761481 - 2²¹ = 27350664329 is a prime.

It is a super-2 number, since 2×27352761481² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (27352761421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13676380740 + 13676380741.

It is an arithmetic number, because the mean of its divisors is an integer number (13676380741).

Almost surely, 2^27352761481 is an apocalyptic number.

It is an amenable number.

27352761481 is a deficient number, since it is larger than the sum of its proper divisors (1).

27352761481 is an equidigital number, since it uses as much as digits as its factorization.

27352761481 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 564480, while the sum is 46.

The spelling of 27352761481 in words is "twenty-seven billion, three hundred fifty-two million, seven hundred sixty-one thousand, four hundred eighty-one".