27137645341 has 2 divisors, whose sum is σ = 27137645342. Its totient is φ = 27137645340.

The previous prime is 27137645221. The next prime is 27137645351. The reversal of 27137645341 is 14354673172.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 27037224900 + 100420441 = 164430^2 + 10021^2 .

It is a cyclic number.

It is not a de Polignac number, because 27137645341 - 2⁹ = 27137644829 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27137645351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13568822670 + 13568822671.

It is an arithmetic number, because the mean of its divisors is an integer number (13568822671).

Almost surely, 2^27137645341 is an apocalyptic number.

It is an amenable number.

27137645341 is a deficient number, since it is larger than the sum of its proper divisors (1).

27137645341 is an equidigital number, since it uses as much as digits as its factorization.

27137645341 is an evil number, because the sum of its binary digits is even.

The product of its digits is 423360, while the sum is 43.

The spelling of 27137645341 in words is "twenty-seven billion, one hundred thirty-seven million, six hundred forty-five thousand, three hundred forty-one".