27454845473 has 16 divisors (see below), whose sum is σ = 31594717440. Its totient is φ = 23594605200.

The previous prime is 27454845437. The next prime is 27454845479. The reversal of 27454845473 is 37454845472.

It is a cyclic number.

It is not a de Polignac number, because 27454845473 - 2¹⁸ = 27454583329 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (27454845479) 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 in 15 ways as a sum of consecutive naturals, for example, 43043 + ... + 238248.

It is an arithmetic number, because the mean of its divisors is an integer number (1974669840).

Almost surely, 2^27454845473 is an apocalyptic number.

It is an amenable number.

27454845473 is a deficient number, since it is larger than the sum of its proper divisors (4139871967).

27454845473 is a wasteful number, since it uses less digits than its factorization.

27454845473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 281788.

The product of its digits is 15052800, while the sum is 53.

Subtracting 27454845473 from its reverse (37454845472), we obtain a palindrome (9999999999).

The spelling of 27454845473 in words is "twenty-seven billion, four hundred fifty-four million, eight hundred forty-five thousand, four hundred seventy-three".