27835057469 has 2 divisors, whose sum is σ = 27835057470. Its totient is φ = 27835057468.

The previous prime is 27835057463. The next prime is 27835057483. The reversal of 27835057469 is 96475053872.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21487748569 + 6347308900 = 146587^2 + 79670^2 .

It is a cyclic number.

It is not a de Polignac number, because 27835057469 - 2³² = 23540090173 is a prime.

It is a super-2 number, since 2×27835057469² (a number of 22 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27835057463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13917528734 + 13917528735.

It is an arithmetic number, because the mean of its divisors is an integer number (13917528735).

Almost surely, 2^27835057469 is an apocalyptic number.

It is an amenable number.

27835057469 is a deficient number, since it is larger than the sum of its proper divisors (1).

27835057469 is an equidigital number, since it uses as much as digits as its factorization.

27835057469 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12700800, while the sum is 56.

The spelling of 27835057469 in words is "twenty-seven billion, eight hundred thirty-five million, fifty-seven thousand, four hundred sixty-nine".