27493745903479 has 8 divisors (see below), whose sum is σ = 28689179846112. Its totient is φ = 26298316434720.

The previous prime is 27493745903473. The next prime is 27493745903483. The reversal of 27493745903479 is 97430954739472.

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 27493745903479 - 2¹¹ = 27493745901431 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27493745903473) 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 in 7 ways as a sum of consecutive naturals, for example, 19625769 + ... + 20979949.

It is an arithmetic number, because the mean of its divisors is an integer number (3586147480764).

Almost surely, 2^{27493745903479} is an apocalyptic number.

27493745903479 is a deficient number, since it is larger than the sum of its proper divisors (1195433942633).

27493745903479 is a wasteful number, since it uses less digits than its factorization.

27493745903479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2236937.

The product of its (nonzero) digits is 1440270720, while the sum is 73.

The spelling of 27493745903479 in words is "twenty-seven trillion, four hundred ninety-three billion, seven hundred forty-five million, nine hundred three thousand, four hundred seventy-nine".