2047054721 has 2 divisors, whose sum is σ = 2047054722. Its totient is φ = 2047054720.

The previous prime is 2047054687. The next prime is 2047054727. The reversal of 2047054721 is 1274507402.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1069617025 + 977437696 = 32705^2 + 31264^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2047054721 is a prime.

It is not a weakly prime, because it can be changed into another prime (2047054727) by changing a digit.

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 as a sum of consecutive naturals, namely, 1023527360 + 1023527361.

It is an arithmetic number, because the mean of its divisors is an integer number (1023527361).

Almost surely, 2^2047054721 is an apocalyptic number.

It is an amenable number.

2047054721 is a deficient number, since it is larger than the sum of its proper divisors (1).

2047054721 is an equidigital number, since it uses as much as digits as its factorization.

2047054721 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15680, while the sum is 32.

The square root of 2047054721 is about 45244.3888344179. The cubic root of 2047054721 is about 1269.7254291004.

The spelling of 2047054721 in words is "two billion, forty-seven million, fifty-four thousand, seven hundred twenty-one".