7538542213 has 2 divisors, whose sum is σ = 7538542214. Its totient is φ = 7538542212.

The previous prime is 7538542181. The next prime is 7538542223. The reversal of 7538542213 is 3122458357.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6938390209 + 600152004 = 83297^2 + 24498^2 .

It is a cyclic number.

It is not a de Polignac number, because 7538542213 - 2⁵ = 7538542181 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7538542223) 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, 3769271106 + 3769271107.

It is an arithmetic number, because the mean of its divisors is an integer number (3769271107).

Almost surely, 2^7538542213 is an apocalyptic number.

It is an amenable number.

7538542213 is a deficient number, since it is larger than the sum of its proper divisors (1).

7538542213 is an equidigital number, since it uses as much as digits as its factorization.

7538542213 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 201600, while the sum is 40.

The square root of 7538542213 is about 86824.7787961478. The cubic root of 7538542213 is about 1960.7811523457.

The spelling of 7538542213 in words is "seven billion, five hundred thirty-eight million, five hundred forty-two thousand, two hundred thirteen".