6448345697 has 2 divisors, whose sum is σ = 6448345698. Its totient is φ = 6448345696.

The previous prime is 6448345669. The next prime is 6448345781. The reversal of 6448345697 is 7965438446.

6448345697 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4701022096 + 1747323601 = 68564^2 + 41801^2 .

It is a cyclic number.

It is not a de Polignac number, because 6448345697 - 2¹⁰ = 6448344673 is a prime.

It is not a weakly prime, because it can be changed into another prime (6448345627) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3224172848 + 3224172849.

It is an arithmetic number, because the mean of its divisors is an integer number (3224172849).

Almost surely, 2^6448345697 is an apocalyptic number.

It is an amenable number.

6448345697 is a deficient number, since it is larger than the sum of its proper divisors (1).

6448345697 is an equidigital number, since it uses as much as digits as its factorization.

6448345697 is an evil number, because the sum of its binary digits is even.

The product of its digits is 17418240, while the sum is 56.

The square root of 6448345697 is about 80301.5921199574. The cubic root of 6448345697 is about 1861.2988285348.

The spelling of 6448345697 in words is "six billion, four hundred forty-eight million, three hundred forty-five thousand, six hundred ninety-seven".