9794612219101 has 2 divisors, whose sum is σ = 9794612219102. Its totient is φ = 9794612219100.

The previous prime is 9794612219089. The next prime is 9794612219107. The reversal of 9794612219101 is 1019122164979.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5526871864900 + 4267740354201 = 2350930^2 + 2065851^2 .

It is an emirp because it is prime and its reverse (1019122164979) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9794612219101 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9794612219107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4897306109550 + 4897306109551.

It is an arithmetic number, because the mean of its divisors is an integer number (4897306109551).

Almost surely, 2^{9794612219101} is an apocalyptic number.

It is an amenable number.

9794612219101 is a deficient number, since it is larger than the sum of its proper divisors (1).

9794612219101 is an equidigital number, since it uses as much as digits as its factorization.

9794612219101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 489888, while the sum is 52.

The spelling of 9794612219101 in words is "nine trillion, seven hundred ninety-four billion, six hundred twelve million, two hundred nineteen thousand, one hundred one".