2448891139 has 16 divisors (see below), whose sum is σ = 2555013600. Its totient is φ = 2345172480.

The previous prime is 2448891127. The next prime is 2448891163. The reversal of 2448891139 is 9311988442.

2448891139 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2448891139 - 2⁹ = 2448890627 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2448891092 and 2448891101.

It is not an unprimeable number, because it can be changed into a prime (2448891169) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 621004 + ... + 624934.

It is an arithmetic number, because the mean of its divisors is an integer number (159688350).

Almost surely, 2^2448891139 is an apocalyptic number.

2448891139 is a deficient number, since it is larger than the sum of its proper divisors (106122461).

2448891139 is a wasteful number, since it uses less digits than its factorization.

2448891139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4230.

The product of its digits is 497664, while the sum is 49.

The square root of 2448891139 is about 49486.2722277603. The cubic root of 2448891139 is about 1347.8963375321.

The spelling of 2448891139 in words is "two billion, four hundred forty-eight million, eight hundred ninety-one thousand, one hundred thirty-nine".