13853402171 has 24 divisors (see below), whose sum is σ = 16396416000. Its totient is φ = 11465493840.

The previous prime is 13853402117. The next prime is 13853402177. The reversal of 13853402171 is 17120435831.

It is not a de Polignac number, because 13853402171 - 2⁶ = 13853402107 is a prime.

It is a super-2 number, since 2×13853402171² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13853402177) 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, 3354710 + ... + 3358836.

It is an arithmetic number, because the mean of its divisors is an integer number (683184000).

Almost surely, 2^13853402171 is an apocalyptic number.

13853402171 is a deficient number, since it is larger than the sum of its proper divisors (2543013829).

13853402171 is an equidigital number, since it uses as much as digits as its factorization.

13853402171 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4695 (or 4664 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 35.

The spelling of 13853402171 in words is "thirteen billion, eight hundred fifty-three million, four hundred two thousand, one hundred seventy-one".