48439928591 has 4 divisors (see below), whose sum is σ = 48892638312. Its totient is φ = 47987218872.

The previous prime is 48439928561. The next prime is 48439928609. The reversal of 48439928591 is 19582993484.

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 48439928591 - 2¹⁰ = 48439927567 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 (48439928521) 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, 226354700 + ... + 226354913.

It is an arithmetic number, because the mean of its divisors is an integer number (12223159578).

Almost surely, 2^48439928591 is an apocalyptic number.

48439928591 is a deficient number, since it is larger than the sum of its proper divisors (452709721).

48439928591 is a wasteful number, since it uses less digits than its factorization.

48439928591 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 452709720.

The product of its digits is 22394880, while the sum is 62.

The spelling of 48439928591 in words is "forty-eight billion, four hundred thirty-nine million, nine hundred twenty-eight thousand, five hundred ninety-one".