13774729312422 has 144 divisors (see below), whose sum is σ = 32530250617488. Its totient is φ = 4210517376000.

The previous prime is 13774729312417. The next prime is 13774729312423. The reversal of 13774729312422 is 22421392747731.

13774729312422 is a `hidden beast` number, since 1 + 3 + 77 + 47 + 293 + 1 + 242 + 2 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13774729312423) 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 71 ways as a sum of consecutive naturals, for example, 1488029218 + ... + 1488038474.

It is an arithmetic number, because the mean of its divisors is an integer number (225904518177).

Almost surely, 2^{13774729312422} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13774729312422, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16265125308744).

13774729312422 is an abundant number, since it is smaller than the sum of its proper divisors (18755521305066).

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

13774729312422 is a wasteful number, since it uses less digits than its factorization.

13774729312422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12455 (or 12439 counting only the distinct ones).

The product of its digits is 7112448, while the sum is 54.

The spelling of 13774729312422 in words is "thirteen trillion, seven hundred seventy-four billion, seven hundred twenty-nine million, three hundred twelve thousand, four hundred twenty-two".