127583325409 has 4 divisors (see below), whose sum is σ = 127703348416. Its totient is φ = 127463302404.

The previous prime is 127583325407. The next prime is 127583325427. The reversal of 127583325409 is 904523385721.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 127583325409 - 2¹ = 127583325407 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (127583325407) 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 3 ways as a sum of consecutive naturals, for example, 60009909 + ... + 60012034.

It is an arithmetic number, because the mean of its divisors is an integer number (31925837104).

Almost surely, 2^127583325409 is an apocalyptic number.

It is an amenable number.

127583325409 is a deficient number, since it is larger than the sum of its proper divisors (120023007).

127583325409 is a wasteful number, since it uses less digits than its factorization.

127583325409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120023006.

The product of its (nonzero) digits is 1814400, while the sum is 49.

The spelling of 127583325409 in words is "one hundred twenty-seven billion, five hundred eighty-three million, three hundred twenty-five thousand, four hundred nine".