13747093791840 has 384 divisors, whose sum is σ = 51938056396800. Its totient is φ = 3385590405120.

The previous prime is 13747093791797. The next prime is 13747093791841. The reversal of 13747093791840 is 4819739074731.

13747093791840 is a `hidden beast` number, since 1 + 3 + 7 + 470 + 9 + 37 + 91 + 8 + 40 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13747093791841) 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 63 ways as a sum of consecutive naturals, for example, 495985 + ... + 5266895.

It is an arithmetic number, because the mean of its divisors is an integer number (135255355200).

Almost surely, 2^{13747093791840} is an apocalyptic number.

13747093791840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13747093791840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25969028198400).

13747093791840 is an abundant number, since it is smaller than the sum of its proper divisors (38190962604960).

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

13747093791840 is a wasteful number, since it uses less digits than its factorization.

13747093791840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4770987 (or 4770973 counting only the distinct ones).

The product of its (nonzero) digits is 32006016, while the sum is 63.

The spelling of 13747093791840 in words is "thirteen trillion, seven hundred forty-seven billion, ninety-three million, seven hundred ninety-one thousand, eight hundred forty".