13664867853 has 32 divisors (see below), whose sum is σ = 22472626176. Its totient is φ = 7192340928.

The previous prime is 13664867851. The next prime is 13664867891. The reversal of 13664867853 is 35876846631.

It is not a de Polignac number, because 13664867853 - 2¹ = 13664867851 is a prime.

It is a super-2 number, since 2×13664867853² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13664867793 and 13664867802.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13664867851) 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 31 ways as a sum of consecutive naturals, for example, 73900 + ... + 181082.

It is an arithmetic number, because the mean of its divisors is an integer number (702269568).

Almost surely, 2^13664867853 is an apocalyptic number.

13664867853 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

13664867853 is a deficient number, since it is larger than the sum of its proper divisors (8807758323).

13664867853 is a wasteful number, since it uses less digits than its factorization.

13664867853 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107673.

The product of its digits is 17418240, while the sum is 57.

The spelling of 13664867853 in words is "thirteen billion, six hundred sixty-four million, eight hundred sixty-seven thousand, eight hundred fifty-three".