13829249854 has 32 divisors (see below), whose sum is σ = 24873265152. Its totient is φ = 5641596000.

The previous prime is 13829249851. The next prime is 13829249869. The reversal of 13829249854 is 45894292831.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 13829249795 and 13829249804.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13829249851) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 234712 + ... + 287659.

It is an arithmetic number, because the mean of its divisors is an integer number (777289536).

Almost surely, 2^13829249854 is an apocalyptic number.

13829249854 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

13829249854 is a deficient number, since it is larger than the sum of its proper divisors (11044015298).

13829249854 is a wasteful number, since it uses less digits than its factorization.

13829249854 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 522472.

The product of its digits is 4976640, while the sum is 55.

The spelling of 13829249854 in words is "thirteen billion, eight hundred twenty-nine million, two hundred forty-nine thousand, eight hundred fifty-four".