127832389441 has 4 divisors (see below), whose sum is σ = 132240402900. Its totient is φ = 123424375984.

The previous prime is 127832389439. The next prime is 127832389483. The reversal of 127832389441 is 144983238721.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 63552393216 + 64279996225 = 252096^2 + 253535^2 .

It is a cyclic number.

It is not a de Polignac number, because 127832389441 - 2¹ = 127832389439 is a prime.

It is a super-2 number, since 2×127832389441² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (127832389411) 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, 2204006686 + ... + 2204006743.

It is an arithmetic number, because the mean of its divisors is an integer number (33060100725).

Almost surely, 2^127832389441 is an apocalyptic number.

It is an amenable number.

127832389441 is a deficient number, since it is larger than the sum of its proper divisors (4408013459).

127832389441 is an equidigital number, since it uses as much as digits as its factorization.

127832389441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4408013458.

The product of its digits is 2322432, while the sum is 52.

The spelling of 127832389441 in words is "one hundred twenty-seven billion, eight hundred thirty-two million, three hundred eighty-nine thousand, four hundred forty-one".