27065620943 has 2 divisors, whose sum is σ = 27065620944. Its totient is φ = 27065620942.

The previous prime is 27065620927. The next prime is 27065620951. The reversal of 27065620943 is 34902656072.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 27065620943 - 2⁴ = 27065620927 is a prime.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 27065620894 and 27065620903.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27065620913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13532810471 + 13532810472.

It is an arithmetic number, because the mean of its divisors is an integer number (13532810472).

Almost surely, 2^27065620943 is an apocalyptic number.

27065620943 is a deficient number, since it is larger than the sum of its proper divisors (1).

27065620943 is an equidigital number, since it uses as much as digits as its factorization.

27065620943 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 544320, while the sum is 44.

The spelling of 27065620943 in words is "twenty-seven billion, sixty-five million, six hundred twenty thousand, nine hundred forty-three".