9448439653 has 2 divisors, whose sum is σ = 9448439654. Its totient is φ = 9448439652.

The previous prime is 9448439647. The next prime is 9448439699. The reversal of 9448439653 is 3569348449.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7967883169 + 1480556484 = 89263^2 + 38478^2 .

It is a cyclic number.

It is not a de Polignac number, because 9448439653 - 2⁹ = 9448439141 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 9448439594 and 9448439603.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9448439753) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4724219826 + 4724219827.

It is an arithmetic number, because the mean of its divisors is an integer number (4724219827).

Almost surely, 2^9448439653 is an apocalyptic number.

It is an amenable number.

9448439653 is a deficient number, since it is larger than the sum of its proper divisors (1).

9448439653 is an equidigital number, since it uses as much as digits as its factorization.

9448439653 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11197440, while the sum is 55.

The square root of 9448439653 is about 97203.0845858299. The cubic root of 9448439653 is about 2114.0732509771.

The spelling of 9448439653 in words is "nine billion, four hundred forty-eight million, four hundred thirty-nine thousand, six hundred fifty-three".