48409185439 has 4 divisors (see below), whose sum is σ = 50513932656. Its totient is φ = 46304438224.

The previous prime is 48409185323. The next prime is 48409185457. The reversal of 48409185439 is 93458190484.

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

It is a cyclic number.

It is not a de Polignac number, because 48409185439 - 2¹³ = 48409177247 is a prime.

It is a super-3 number, since 3×48409185439³ (a number of 33 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 48409185439.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48409188439) 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, 1052373574 + ... + 1052373619.

It is an arithmetic number, because the mean of its divisors is an integer number (12628483164).

Almost surely, 2^48409185439 is an apocalyptic number.

48409185439 is a deficient number, since it is larger than the sum of its proper divisors (2104747217).

48409185439 is a wasteful number, since it uses less digits than its factorization.

48409185439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2104747216.

The product of its (nonzero) digits is 4976640, while the sum is 55.

The spelling of 48409185439 in words is "forty-eight billion, four hundred nine million, one hundred eighty-five thousand, four hundred thirty-nine".