27445654463 has 2 divisors, whose sum is σ = 27445654464. Its totient is φ = 27445654462.

The previous prime is 27445654459. The next prime is 27445654493. The reversal of 27445654463 is 36445654472.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 27445654463 - 2² = 27445654459 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27445654493) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13722827231 + 13722827232.

It is an arithmetic number, because the mean of its divisors is an integer number (13722827232).

Almost surely, 2^27445654463 is an apocalyptic number.

27445654463 is a deficient number, since it is larger than the sum of its proper divisors (1).

27445654463 is an equidigital number, since it uses as much as digits as its factorization.

27445654463 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9676800, while the sum is 50.

Subtracting 27445654463 from its reverse (36445654472), we obtain a palindrome (9000000009).

The spelling of 27445654463 in words is "twenty-seven billion, four hundred forty-five million, six hundred fifty-four thousand, four hundred sixty-three".