13747953798605 has 54 divisors (see below), whose sum is σ = 17974826015706. Its totient is φ = 10089854551296.

The previous prime is 13747953798577. The next prime is 13747953798611. The reversal of 13747953798605 is 50689735974731.

13747953798605 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 27 ways, for example, as 13732790585284 + 15163213321 = 3705778^2 + 123139^2 .

It is not a de Polignac number, because 13747953798605 - 2⁸ = 13747953798349 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 53 ways as a sum of consecutive naturals, for example, 24682142987 + ... + 24682143543.

It is an arithmetic number, because the mean of its divisors is an integer number (332867148439).

Almost surely, 2^{13747953798605} is an apocalyptic number.

It is an amenable number.

13747953798605 is a deficient number, since it is larger than the sum of its proper divisors (4226872217101).

13747953798605 is an frugal number, since it uses more digits than its factorization.

13747953798605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1603 (or 804 counting only the distinct ones).

The product of its (nonzero) digits is 1200225600, while the sum is 74.

The spelling of 13747953798605 in words is "thirteen trillion, seven hundred forty-seven billion, nine hundred fifty-three million, seven hundred ninety-eight thousand, six hundred five".