14644015393 has 12 divisors (see below), whose sum is σ = 17037657732. Its totient is φ = 12549962880.

The previous prime is 14644015391. The next prime is 14644015433. The reversal of 14644015393 is 39351044641.

14644015393 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 14296267489 + 347747904 = 119567^2 + 18648^2 .

It is not a de Polignac number, because 14644015393 - 2¹ = 14644015391 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14644015391) 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 11 ways as a sum of consecutive naturals, for example, 330853 + ... + 372493.

It is an arithmetic number, because the mean of its divisors is an integer number (1419804811).

Almost surely, 2^14644015393 is an apocalyptic number.

It is an amenable number.

14644015393 is a deficient number, since it is larger than the sum of its proper divisors (2393642339).

14644015393 is an equidigital number, since it uses as much as digits as its factorization.

14644015393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48832 (or 48825 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 40.

The spelling of 14644015393 in words is "fourteen billion, six hundred forty-four million, fifteen thousand, three hundred ninety-three".