9794450321 has 2 divisors, whose sum is σ = 9794450322. Its totient is φ = 9794450320.

The previous prime is 9794450143. The next prime is 9794450357. The reversal of 9794450321 is 1230544979.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8599780225 + 1194670096 = 92735^2 + 34564^2 .

It is an emirp because it is prime and its reverse (1230544979) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9794450321 is a prime.

It is not a weakly prime, because it can be changed into another prime (9794450371) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4897225160 + 4897225161.

It is an arithmetic number, because the mean of its divisors is an integer number (4897225161).

Almost surely, 2^9794450321 is an apocalyptic number.

It is an amenable number.

9794450321 is a deficient number, since it is larger than the sum of its proper divisors (1).

9794450321 is an equidigital number, since it uses as much as digits as its factorization.

9794450321 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 272160, while the sum is 44.

The square root of 9794450321 is about 98966.9152848567. The cubic root of 9794450321 is about 2139.5709333543.

The spelling of 9794450321 in words is "nine billion, seven hundred ninety-four million, four hundred fifty thousand, three hundred twenty-one".