2054822721 has 8 divisors (see below), whose sum is σ = 3131158464. Its totient is φ = 1174184400.

The previous prime is 2054822719. The next prime is 2054822729. The reversal of 2054822721 is 1272284502.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2054822721 - 2¹ = 2054822719 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2054822729) 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, 48924330 + ... + 48924371.

It is an arithmetic number, because the mean of its divisors is an integer number (391394808).

Almost surely, 2^2054822721 is an apocalyptic number.

2054822721 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

2054822721 is a deficient number, since it is larger than the sum of its proper divisors (1076335743).

2054822721 is an equidigital number, since it uses as much as digits as its factorization.

2054822721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97848711.

The product of its (nonzero) digits is 17920, while the sum is 33.

The square root of 2054822721 is about 45330.1524484531. The cubic root of 2054822721 is about 1271.3294860910.

The spelling of 2054822721 in words is "two billion, fifty-four million, eight hundred twenty-two thousand, seven hundred twenty-one".