12575389447 has 16 divisors (see below), whose sum is σ = 13618186560. Its totient is φ = 11567974912.

The previous prime is 12575389441. The next prime is 12575389469. The reversal of 12575389447 is 74498357521.

It is a cyclic number.

It is not a de Polignac number, because 12575389447 - 2³ = 12575389439 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12575389441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 210429 + ... + 263497.

It is an arithmetic number, because the mean of its divisors is an integer number (851136660).

Almost surely, 2^12575389447 is an apocalyptic number.

12575389447 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

12575389447 is a deficient number, since it is larger than the sum of its proper divisors (1042797113).

12575389447 is a wasteful number, since it uses less digits than its factorization.

12575389447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53402.

The product of its digits is 8467200, while the sum is 55.

The spelling of 12575389447 in words is "twelve billion, five hundred seventy-five million, three hundred eighty-nine thousand, four hundred forty-seven".