13774327443 has 18 divisors (see below), whose sum is σ = 20239237044. Its totient is φ = 9027222312.

The previous prime is 13774327421. The next prime is 13774327507. The reversal of 13774327443 is 34472347731.

13774327443 is a `hidden beast` number, since 1 + 377 + 4 + 3 + 274 + 4 + 3 = 666.

It is not a de Polignac number, because 13774327443 - 2⁸ = 13774327187 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13774326443) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 188505 + ... + 251162.

It is an arithmetic number, because the mean of its divisors is an integer number (1124402058).

Almost surely, 2^13774327443 is an apocalyptic number.

13774327443 is a deficient number, since it is larger than the sum of its proper divisors (6464909601).

13774327443 is an equidigital number, since it uses as much as digits as its factorization.

13774327443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 439791 (or 439729 counting only the distinct ones).

The product of its digits is 1185408, while the sum is 45.

The spelling of 13774327443 in words is "thirteen billion, seven hundred seventy-four million, three hundred twenty-seven thousand, four hundred forty-three".