13816949953 has 16 divisors (see below), whose sum is σ = 14322216960. Its totient is φ = 13315550400.

The previous prime is 13816949947. The next prime is 13816949969. The reversal of 13816949953 is 35994961831.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13816949953 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13816949453) 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 15 ways as a sum of consecutive naturals, for example, 13022043 + ... + 13023103.

It is an arithmetic number, because the mean of its divisors is an integer number (895138560).

Almost surely, 2^13816949953 is an apocalyptic number.

It is an amenable number.

13816949953 is a deficient number, since it is larger than the sum of its proper divisors (505267007).

13816949953 is a wasteful number, since it uses less digits than its factorization.

13816949953 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2448.

The product of its digits is 6298560, while the sum is 58.

The spelling of 13816949953 in words is "thirteen billion, eight hundred sixteen million, nine hundred forty-nine thousand, nine hundred fifty-three".