27736420541 has 2 divisors, whose sum is σ = 27736420542. Its totient is φ = 27736420540.

The previous prime is 27736420513. The next prime is 27736420589. The reversal of 27736420541 is 14502463772.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 23199859225 + 4536561316 = 152315^2 + 67354^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-27736420541 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27736420141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13868210270 + 13868210271.

It is an arithmetic number, because the mean of its divisors is an integer number (13868210271).

Almost surely, 2^27736420541 is an apocalyptic number.

It is an amenable number.

27736420541 is a deficient number, since it is larger than the sum of its proper divisors (1).

27736420541 is an equidigital number, since it uses as much as digits as its factorization.

27736420541 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 282240, while the sum is 41.

The spelling of 27736420541 in words is "twenty-seven billion, seven hundred thirty-six million, four hundred twenty thousand, five hundred forty-one".