13757972181 has 8 divisors (see below), whose sum is σ = 19309434720. Its totient is φ = 8689245552.

The previous prime is 13757972141. The next prime is 13757972191. The reversal of 13757972181 is 18127975731.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 13757972181 - 2¹⁵ = 13757939413 is a prime.

It is a super-2 number, since 2×13757972181² (a number of 21 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13757972101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 120683910 + ... + 120684023.

It is an arithmetic number, because the mean of its divisors is an integer number (2413679340).

Almost surely, 2^13757972181 is an apocalyptic number.

It is an amenable number.

13757972181 is a deficient number, since it is larger than the sum of its proper divisors (5551462539).

13757972181 is a wasteful number, since it uses less digits than its factorization.

13757972181 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 241367955.

The product of its digits is 740880, while the sum is 51.

The spelling of 13757972181 in words is "thirteen billion, seven hundred fifty-seven million, nine hundred seventy-two thousand, one hundred eighty-one".