2081549376 has 63 divisors (see below), whose sum is σ = 5969525653. Its totient is φ = 693484800.

The previous prime is 2081549363. The next prime is 2081549453. The reversal of 2081549376 is 6739451802.

The square root of 2081549376 is 45624.

It is a perfect power (a square), and thus also a powerful number.

2081549376 is a `hidden beast` number, since 20 + 81 + 549 + 3 + 7 + 6 = 666.

2081549376 is digitally balanced in base 10, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 173606976 + 1907942400 = 13176^2 + 43680^2 .

It is a Duffinian number.

2081549376 is strictly pandigital in base 10.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1094026 + ... + 1095926.

It is a 2-persistent number, because it is pandigital, and so is 2⋅2081549376 = 4163098752, but 3⋅2081549376 = 6244648128 is not.

Almost surely, 2^2081549376 is an apocalyptic number.

2081549376 is the 45624-th square number.

It is an amenable number.

2081549376 is an abundant number, since it is smaller than the sum of its proper divisors (3887976277).

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

2081549376 is an frugal number, since it uses more digits than its factorization.

2081549376 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3820 (or 1906 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 45.

The cubic root of 2081549376 is about 1276.8177329966.

The spelling of 2081549376 in words is "two billion, eighty-one million, five hundred forty-nine thousand, three hundred seventy-six".