2448739891 has 16 divisors (see below), whose sum is σ = 2794708224. Its totient is φ = 2125522944.

The previous prime is 2448739847. The next prime is 2448739913. The reversal of 2448739891 is 1989378442.

It is a cyclic number.

It is not a de Polignac number, because 2448739891 - 2¹⁵ = 2448707123 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2448739841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 282366 + ... + 290908.

It is an arithmetic number, because the mean of its divisors is an integer number (174669264).

Almost surely, 2^2448739891 is an apocalyptic number.

2448739891 is a deficient number, since it is larger than the sum of its proper divisors (345968333).

2448739891 is a wasteful number, since it uses less digits than its factorization.

2448739891 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9870.

The product of its digits is 3483648, while the sum is 55.

The square root of 2448739891 is about 49484.7440227794. The cubic root of 2448739891 is about 1347.8685874456.

The spelling of 2448739891 in words is "two billion, four hundred forty-eight million, seven hundred thirty-nine thousand, eight hundred ninety-one".