3999744848 has 20 divisors (see below), whose sum is σ = 8454006528. Its totient is φ = 1818065760.

The previous prime is 3999744839. The next prime is 3999744869. The reversal of 3999744848 is 8484479993.

3999744848 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11362736 + ... + 11363087.

Almost surely, 2^3999744848 is an apocalyptic number.

It is an amenable number.

3999744848 is an abundant number, since it is smaller than the sum of its proper divisors (4454261680).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3999744848 is a wasteful number, since it uses less digits than its factorization.

3999744848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22725842 (or 22725836 counting only the distinct ones).

The product of its digits is 62705664, while the sum is 65.

The square root of 3999744848 is about 63243.5360175251. The cubic root of 3999744848 is about 1587.3672988711.

It can be divided in two parts, 3999 and 744848, that added together give a palindrome (748847).

The spelling of 3999744848 in words is "three billion, nine hundred ninety-nine million, seven hundred forty-four thousand, eight hundred forty-eight".