14428744587447 has 32 divisors (see below), whose sum is σ = 19900388148480. Its totient is φ = 9292110048000.

The previous prime is 14428744587377. The next prime is 14428744587457. The reversal of 14428744587447 is 74478544782441.

It is not a de Polignac number, because 14428744587447 - 2¹⁶ = 14428744521911 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14428744587457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7893204 + ... + 9547782.

It is an arithmetic number, because the mean of its divisors is an integer number (621887129640).

Almost surely, 2^{14428744587447} is an apocalyptic number.

14428744587447 is a deficient number, since it is larger than the sum of its proper divisors (5471643561033).

14428744587447 is a wasteful number, since it uses less digits than its factorization.

14428744587447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1655183.

The product of its digits is 899153920, while the sum is 69.

The spelling of 14428744587447 in words is "fourteen trillion, four hundred twenty-eight billion, seven hundred forty-four million, five hundred eighty-seven thousand, four hundred forty-seven".