7413845221 has 2 divisors, whose sum is σ = 7413845222. Its totient is φ = 7413845220.

The previous prime is 7413845209. The next prime is 7413845233. The reversal of 7413845221 is 1225483147.

It is a balanced prime because it is at equal distance from previous prime (7413845209) and next prime (7413845233).

It can be written as a sum of positive squares in only one way, i.e., 4341360321 + 3072484900 = 65889^2 + 55430^2 .

It is a cyclic number.

It is not a de Polignac number, because 7413845221 - 2¹⁷ = 7413714149 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7413845291) 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, 3706922610 + 3706922611.

It is an arithmetic number, because the mean of its divisors is an integer number (3706922611).

Almost surely, 2^7413845221 is an apocalyptic number.

It is an amenable number.

7413845221 is a deficient number, since it is larger than the sum of its proper divisors (1).

7413845221 is an equidigital number, since it uses as much as digits as its factorization.

7413845221 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 53760, while the sum is 37.

The square root of 7413845221 is about 86103.6887769624. The cubic root of 7413845221 is about 1949.9097237190.

The spelling of 7413845221 in words is "seven billion, four hundred thirteen million, eight hundred forty-five thousand, two hundred twenty-one".