14445979481 has 4 divisors (see below), whose sum is σ = 14447666100. Its totient is φ = 14444292864.

The previous prime is 14445979477. The next prime is 14445979489. The reversal of 14445979481 is 18497954441.

14445979481 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 18497954441 = 43 ⋅430184987.

It can be written as a sum of positive squares in 2 ways, for example, as 8144160025 + 6301819456 = 90245^2 + 79384^2 .

It is a cyclic number.

It is not a de Polignac number, because 14445979481 - 2² = 14445979477 is a prime.

It is a super-2 number, since 2×14445979481² (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 (14445979489) 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 3 ways as a sum of consecutive naturals, for example, 830396 + ... + 847613.

It is an arithmetic number, because the mean of its divisors is an integer number (3611916525).

Almost surely, 2^14445979481 is an apocalyptic number.

It is an amenable number.

14445979481 is a deficient number, since it is larger than the sum of its proper divisors (1686619).

14445979481 is an equidigital number, since it uses as much as digits as its factorization.

14445979481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1686618.

The product of its digits is 5806080, while the sum is 56.

The spelling of 14445979481 in words is "fourteen billion, four hundred forty-five million, nine hundred seventy-nine thousand, four hundred eighty-one".