7342277809 has 2 divisors, whose sum is σ = 7342277810. Its totient is φ = 7342277808.

The previous prime is 7342277807. The next prime is 7342277861. The reversal of 7342277809 is 9087722437.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7213954225 + 128323584 = 84935^2 + 11328^2 .

It is a cyclic number.

It is not a de Polignac number, because 7342277809 - 2¹ = 7342277807 is a prime.

Together with 7342277807, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (7342277807) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3671138904 + 3671138905.

It is an arithmetic number, because the mean of its divisors is an integer number (3671138905).

Almost surely, 2^7342277809 is an apocalyptic number.

It is an amenable number.

7342277809 is a deficient number, since it is larger than the sum of its proper divisors (1).

7342277809 is an equidigital number, since it uses as much as digits as its factorization.

7342277809 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1185408, while the sum is 49.

The square root of 7342277809 is about 85687.0924293735. The cubic root of 7342277809 is about 1943.6151290655.

The spelling of 7342277809 in words is "seven billion, three hundred forty-two million, two hundred seventy-seven thousand, eight hundred nine".