2148936384 has 56 divisors (see below), whose sum is σ = 6497978368. Its totient is φ = 613981440.

The previous prime is 2148936373. The next prime is 2148936389. The reversal of 2148936384 is 4836398412.

It is a tau number, because it is divible by the number of its divisors (56).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (2148936389) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 798112 + ... + 800799.

It is an arithmetic number, because the mean of its divisors is an integer number (116035328).

Almost surely, 2^2148936384 is an apocalyptic number.

2148936384 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2148936384 is an abundant number, since it is smaller than the sum of its proper divisors (4349041984).

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

2148936384 is a wasteful number, since it uses less digits than its factorization.

2148936384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1598933 (or 1598923 counting only the distinct ones).

The product of its digits is 995328, while the sum is 48.

The square root of 2148936384 is about 46356.6217923610. The cubic root of 2148936384 is about 1290.4500130578.

The spelling of 2148936384 in words is "two billion, one hundred forty-eight million, nine hundred thirty-six thousand, three hundred eighty-four".