2793074021 has 2 divisors, whose sum is σ = 2793074022. Its totient is φ = 2793074020.

The previous prime is 2793073999. The next prime is 2793074033. The reversal of 2793074021 is 1204703972.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2655856225 + 137217796 = 51535^2 + 11714^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2793074021 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2793074521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1396537010 + 1396537011.

It is an arithmetic number, because the mean of its divisors is an integer number (1396537011).

Almost surely, 2^2793074021 is an apocalyptic number.

It is an amenable number.

2793074021 is a deficient number, since it is larger than the sum of its proper divisors (1).

2793074021 is an equidigital number, since it uses as much as digits as its factorization.

2793074021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21168, while the sum is 35.

The square root of 2793074021 is about 52849.5413508954. The cubic root of 2793074021 is about 1408.2966572976.

Adding to 2793074021 its reverse (1204703972), we get a palindrome (3997777993).

The spelling of 2793074021 in words is "two billion, seven hundred ninety-three million, seventy-four thousand, twenty-one".