13945544014 has 4 divisors (see below), whose sum is σ = 20918316024. Its totient is φ = 6972772006.

The previous prime is 13945544003. The next prime is 13945544017. The reversal of 13945544014 is 41044554931.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 41044554931 = 31 ⋅1324017901.

It is a super-2 number, since 2×13945544014² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13945544017) 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 as a sum of consecutive naturals, namely, 3486386002 + ... + 3486386005.

It is an arithmetic number, because the mean of its divisors is an integer number (5229579006).

Almost surely, 2^13945544014 is an apocalyptic number.

13945544014 is a deficient number, since it is larger than the sum of its proper divisors (6972772010).

13945544014 is an equidigital number, since it uses as much as digits as its factorization.

13945544014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6972772009.

The product of its (nonzero) digits is 172800, while the sum is 40.

The spelling of 13945544014 in words is "thirteen billion, nine hundred forty-five million, five hundred forty-four thousand, fourteen".