7242664529 has 2 divisors, whose sum is σ = 7242664530. Its totient is φ = 7242664528.

The previous prime is 7242664483. The next prime is 7242664531. The reversal of 7242664529 is 9254662427.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7178664529 + 64000000 = 84727^2 + 8000^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7242664529 is a prime.

It is a Sophie Germain prime.

Together with 7242664531, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (7242664589) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3621332264 + 3621332265.

It is an arithmetic number, because the mean of its divisors is an integer number (3621332265).

Almost surely, 2^7242664529 is an apocalyptic number.

It is an amenable number.

7242664529 is a deficient number, since it is larger than the sum of its proper divisors (1).

7242664529 is an equidigital number, since it uses as much as digits as its factorization.

7242664529 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1451520, while the sum is 47.

The square root of 7242664529 is about 85103.8455594105. The cubic root of 7242664529 is about 1934.7853482401.

The spelling of 7242664529 in words is "seven billion, two hundred forty-two million, six hundred sixty-four thousand, five hundred twenty-nine".