13854582731 has 4 divisors (see below), whose sum is σ = 15114090264. Its totient is φ = 12595075200.

The previous prime is 13854582661. The next prime is 13854582733. The reversal of 13854582731 is 13728545831.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13854582731 is a prime.

It is a super-2 number, since 2×13854582731² (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 (13854582733) 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 3 ways as a sum of consecutive naturals, for example, 629753750 + ... + 629753771.

It is an arithmetic number, because the mean of its divisors is an integer number (3778522566).

Almost surely, 2^13854582731 is an apocalyptic number.

13854582731 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

13854582731 is a deficient number, since it is larger than the sum of its proper divisors (1259507533).

13854582731 is a wasteful number, since it uses less digits than its factorization.

13854582731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1259507532.

The product of its digits is 806400, while the sum is 47.

The spelling of 13854582731 in words is "thirteen billion, eight hundred fifty-four million, five hundred eighty-two thousand, seven hundred thirty-one".