7056273421 has 2 divisors, whose sum is σ = 7056273422. Its totient is φ = 7056273420.

The previous prime is 7056273407. The next prime is 7056273437. The reversal of 7056273421 is 1243726507.

It is a happy number.

7056273421 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6803940196 + 252333225 = 82486^2 + 15885^2 .

It is an emirp because it is prime and its reverse (1243726507) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7056273421 - 2¹⁹ = 7055749133 is a prime.

It is a super-2 number, since 2×7056273421² = 99581989183822086482, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7056273451) 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, 3528136710 + 3528136711.

It is an arithmetic number, because the mean of its divisors is an integer number (3528136711).

Almost surely, 2^7056273421 is an apocalyptic number.

It is an amenable number.

7056273421 is a deficient number, since it is larger than the sum of its proper divisors (1).

7056273421 is an equidigital number, since it uses as much as digits as its factorization.

7056273421 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 70560, while the sum is 37.

The square root of 7056273421 is about 84001.6274901862. The cubic root of 7056273421 is about 1918.0435638444.

Adding to 7056273421 its reverse (1243726507), we get a palindrome (8299999928).

The spelling of 7056273421 in words is "seven billion, fifty-six million, two hundred seventy-three thousand, four hundred twenty-one".