2084581540864 has 33 divisors (see below), whose sum is σ = 4167219718207. Its totient is φ = 1042267669504.

The previous prime is 2084581540849. The next prime is 2084581540891. The reversal of 2084581540864 is 4680451854802.

It is a happy number.

The square root of 2084581540864 is 1443808.

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

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 46179297 + ... + 46224415.

Almost surely, 2^{2084581540864} is an apocalyptic number.

2084581540864 is the 1443808-th square number.

It is an amenable number.

2084581540864 is a deficient number, since it is larger than the sum of its proper divisors (2082638177343).

2084581540864 is an frugal number, since it uses more digits than its factorization.

2084581540864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90258 (or 45121 counting only the distinct ones).

The product of its (nonzero) digits is 9830400, while the sum is 55.

The spelling of 2084581540864 in words is "two trillion, eighty-four billion, five hundred eighty-one million, five hundred forty thousand, eight hundred sixty-four".