13750707681 has 24 divisors (see below), whose sum is σ = 20366490144. Its totient is φ = 8937181440.

The previous prime is 13750707631. The next prime is 13750707697. The reversal of 13750707681 is 18670705731.

13750707681 is a `hidden beast` number, since 137 + 507 + 0 + 7 + 6 + 8 + 1 = 666.

It is not a de Polignac number, because 13750707681 - 2¹³ = 13750699489 is a prime.

It is a super-2 number, since 2×13750707681² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13750707631) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 59055 + ... + 176036.

It is an arithmetic number, because the mean of its divisors is an integer number (848603756).

Almost surely, 2^13750707681 is an apocalyptic number.

It is an amenable number.

13750707681 is a deficient number, since it is larger than the sum of its proper divisors (6615782463).

13750707681 is a wasteful number, since it uses less digits than its factorization.

13750707681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 235261 (or 235258 counting only the distinct ones).

The product of its (nonzero) digits is 246960, while the sum is 45.

The spelling of 13750707681 in words is "thirteen billion, seven hundred fifty million, seven hundred seven thousand, six hundred eighty-one".