13943768274 has 64 divisors (see below), whose sum is σ = 31905590400. Its totient is φ = 4510655424.

The previous prime is 13943768243. The next prime is 13943768291. The reversal of 13943768274 is 47286734931.

13943768274 is a `hidden beast` number, since 139 + 437 + 6 + 8 + 2 + 74 = 666.

13943768274 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a self number, because there is not a number n which added to its sum of digits gives 13943768274.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 784417 + ... + 801995.

It is an arithmetic number, because the mean of its divisors is an integer number (498524850).

Almost surely, 2^13943768274 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13943768274, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15952795200).

13943768274 is an abundant number, since it is smaller than the sum of its proper divisors (17961822126).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13943768274 is a wasteful number, since it uses less digits than its factorization.

13943768274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18024 (or 18018 counting only the distinct ones).

The product of its digits is 6096384, while the sum is 54.

The spelling of 13943768274 in words is "thirteen billion, nine hundred forty-three million, seven hundred sixty-eight thousand, two hundred seventy-four".