27067269731 has 2 divisors, whose sum is σ = 27067269732. Its totient is φ = 27067269730.

The previous prime is 27067269707. The next prime is 27067269737. The reversal of 27067269731 is 13796276072.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 27067269731 - 2³⁴ = 9887400547 is a prime.

It is a super-2 number, since 2×27067269731² (a number of 22 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 27067269731.

It is not a weakly prime, because it can be changed into another prime (27067269737) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13533634865 + 13533634866.

It is an arithmetic number, because the mean of its divisors is an integer number (13533634866).

Almost surely, 2^27067269731 is an apocalyptic number.

27067269731 is a deficient number, since it is larger than the sum of its proper divisors (1).

27067269731 is an equidigital number, since it uses as much as digits as its factorization.

27067269731 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1333584, while the sum is 50.

The spelling of 27067269731 in words is "twenty-seven billion, sixty-seven million, two hundred sixty-nine thousand, seven hundred thirty-one".