9730144393 has 2 divisors, whose sum is σ = 9730144394. Its totient is φ = 9730144392.

The previous prime is 9730144373. The next prime is 9730144423. The reversal of 9730144393 is 3934410379.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9493968969 + 236175424 = 97437^2 + 15368^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9730144393 is a prime.

It is not a weakly prime, because it can be changed into another prime (9730144373) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4865072196 + 4865072197.

It is an arithmetic number, because the mean of its divisors is an integer number (4865072197).

Almost surely, 2^9730144393 is an apocalyptic number.

It is an amenable number.

9730144393 is a deficient number, since it is larger than the sum of its proper divisors (1).

9730144393 is an equidigital number, since it uses as much as digits as its factorization.

9730144393 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 244944, while the sum is 43.

The square root of 9730144393 is about 98641.4942759891. The cubic root of 9730144393 is about 2134.8781633147.

The spelling of 9730144393 in words is "nine billion, seven hundred thirty million, one hundred forty-four thousand, three hundred ninety-three".