2153847384 has 48 divisors (see below), whose sum is σ = 6282057600. Its totient is φ = 662721984.

The previous prime is 2153847379. The next prime is 2153847401. The reversal of 2153847384 is 4837483512.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1149624 + ... + 1151495.

It is an arithmetic number, because the mean of its divisors is an integer number (130876200).

Almost surely, 2^2153847384 is an apocalyptic number.

2153847384 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2153847384 is an abundant number, since it is smaller than the sum of its proper divisors (4128210216).

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

2153847384 is a wasteful number, since it uses less digits than its factorization.

2153847384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2301144 (or 2301137 counting only the distinct ones).

The product of its digits is 645120, while the sum is 45.

The square root of 2153847384 is about 46409.5613424648. The cubic root of 2153847384 is about 1291.4322941103.

The spelling of 2153847384 in words is "two billion, one hundred fifty-three million, eight hundred forty-seven thousand, three hundred eighty-four".