14444351641 has 4 divisors (see below), whose sum is σ = 14446838884. Its totient is φ = 14441864400.

The previous prime is 14444351633. The next prime is 14444351653. The reversal of 14444351641 is 14615344441.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 14615344441 = 43793 ⋅333737.

It can be written as a sum of positive squares in 2 ways, for example, as 11547651600 + 2896700041 = 107460^2 + 53821^2 .

It is a cyclic number.

It is not a de Polignac number, because 14444351641 - 2³ = 14444351633 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 14444351641.

It is not an unprimeable number, because it can be changed into a prime (14444351041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1234890 + ... + 1246531.

It is an arithmetic number, because the mean of its divisors is an integer number (3611709721).

Almost surely, 2^14444351641 is an apocalyptic number.

It is an amenable number.

14444351641 is a deficient number, since it is larger than the sum of its proper divisors (2487243).

14444351641 is an equidigital number, since it uses as much as digits as its factorization.

14444351641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2487242.

The product of its digits is 92160, while the sum is 37.

The spelling of 14444351641 in words is "fourteen billion, four hundred forty-four million, three hundred fifty-one thousand, six hundred forty-one".