49947111384 has 128 divisors (see below), whose sum is σ = 134240198400. Its totient is φ = 15438159360.

The previous prime is 49947111377. The next prime is 49947111419. The reversal of 49947111384 is 48311174994.

49947111384 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 31 ways as a sum of consecutive naturals, for example, 11139207 + ... + 11143689.

It is an arithmetic number, because the mean of its divisors is an integer number (1048751550).

Almost surely, 2^49947111384 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 49947111384, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67120099200).

49947111384 is an abundant number, since it is smaller than the sum of its proper divisors (84293087016).

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

49947111384 is a wasteful number, since it uses less digits than its factorization.

49947111384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5025 (or 5021 counting only the distinct ones).

The product of its digits is 870912, while the sum is 51.

The spelling of 49947111384 in words is "forty-nine billion, nine hundred forty-seven million, one hundred eleven thousand, three hundred eighty-four".