9794940067309 has 2 divisors, whose sum is σ = 9794940067310. Its totient is φ = 9794940067308.

The previous prime is 9794940067259. The next prime is 9794940067351. The reversal of 9794940067309 is 9037600494979.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9425667515625 + 369272551684 = 3070125^2 + 607678^2 .

It is a cyclic number.

It is not a de Polignac number, because 9794940067309 - 2²⁵ = 9794906512877 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9794940062309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4897470033654 + 4897470033655.

It is an arithmetic number, because the mean of its divisors is an integer number (4897470033655).

Almost surely, 2^{9794940067309} is an apocalyptic number.

It is an amenable number.

9794940067309 is a deficient number, since it is larger than the sum of its proper divisors (1).

9794940067309 is an equidigital number, since it uses as much as digits as its factorization.

9794940067309 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 92588832, while the sum is 67.

The spelling of 9794940067309 in words is "nine trillion, seven hundred ninety-four billion, nine hundred forty million, sixty-seven thousand, three hundred nine".