7448255609 has 2 divisors, whose sum is σ = 7448255610. Its totient is φ = 7448255608.

The previous prime is 7448255599. The next prime is 7448255651. The reversal of 7448255609 is 9065528447.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6823255609 + 625000000 = 82603^2 + 25000^2 .

It is an emirp because it is prime and its reverse (9065528447) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7448255609 - 2⁴ = 7448255593 is a prime.

It is not a weakly prime, because it can be changed into another prime (7448255699) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3724127804 + 3724127805.

It is an arithmetic number, because the mean of its divisors is an integer number (3724127805).

Almost surely, 2^7448255609 is an apocalyptic number.

It is an amenable number.

7448255609 is a deficient number, since it is larger than the sum of its proper divisors (1).

7448255609 is an equidigital number, since it uses as much as digits as its factorization.

7448255609 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2419200, while the sum is 50.

The square root of 7448255609 is about 86303.2769308327. The cubic root of 7448255609 is about 1952.9218183192.

The spelling of 7448255609 in words is "seven billion, four hundred forty-eight million, two hundred fifty-five thousand, six hundred nine".