14449661745 has 16 divisors (see below), whose sum is σ = 23357806080. Its totient is φ = 7627037184.

The previous prime is 14449661741. The next prime is 14449661767. The reversal of 14449661745 is 54716694441.

It is a happy number.

14449661745 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 14449661745 - 2² = 14449661741 is a prime.

It is not an unprimeable number, because it can be changed into a prime (14449661741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4964065 + ... + 4966974.

It is an arithmetic number, because the mean of its divisors is an integer number (1459862880).

Almost surely, 2^14449661745 is an apocalyptic number.

14449661745 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

14449661745 is a deficient number, since it is larger than the sum of its proper divisors (8908144335).

14449661745 is an equidigital number, since it uses as much as digits as its factorization.

14449661745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9931144.

The product of its digits is 2903040, while the sum is 51.

The spelling of 14449661745 in words is "fourteen billion, four hundred forty-nine million, six hundred sixty-one thousand, seven hundred forty-five".