13686731445 has 8 divisors (see below), whose sum is σ = 21898770336. Its totient is φ = 7299590096.

The previous prime is 13686731437. The next prime is 13686731459. The reversal of 13686731445 is 54413768631.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 13686731445 - 2³ = 13686731437 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 13686731394 and 13686731403.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 456224367 + ... + 456224396.

It is an arithmetic number, because the mean of its divisors is an integer number (2737346292).

Almost surely, 2^13686731445 is an apocalyptic number.

13686731445 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13686731445 is a deficient number, since it is larger than the sum of its proper divisors (8212038891).

13686731445 is an equidigital number, since it uses as much as digits as its factorization.

13686731445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 912448771.

The product of its digits is 1451520, while the sum is 48.

The spelling of 13686731445 in words is "thirteen billion, six hundred eighty-six million, seven hundred thirty-one thousand, four hundred forty-five".