27453234473 has 8 divisors (see below), whose sum is σ = 31384140480. Its totient is φ = 23524582320.

The previous prime is 27453234469. The next prime is 27453234491. The reversal of 27453234473 is 37443235472.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 27453234473 - 2² = 27453234469 is a prime.

It is not an unprimeable number, because it can be changed into a prime (27453234773) 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 7 ways as a sum of consecutive naturals, for example, 537278 + ... + 586151.

It is an arithmetic number, because the mean of its divisors is an integer number (3923017560).

Almost surely, 2^27453234473 is an apocalyptic number.

It is an amenable number.

27453234473 is a deficient number, since it is larger than the sum of its proper divisors (3930906007).

27453234473 is a wasteful number, since it uses less digits than its factorization.

27453234473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1126927.

The product of its digits is 1693440, while the sum is 44.

Subtracting 27453234473 from its reverse (37443235472), we obtain a palindrome (9990000999).

The spelling of 27453234473 in words is "twenty-seven billion, four hundred fifty-three million, two hundred thirty-four thousand, four hundred seventy-three".