19846704241297 has 2 divisors, whose sum is σ = 19846704241298. Its totient is φ = 19846704241296.

The previous prime is 19846704241253. The next prime is 19846704241349. The reversal of 19846704241297 is 79214240764891.

It is a Cunningham number, because it is equal to 4454964²+1.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19846704241296 + 1 = 4454964^2 + 1^2 .

It is a cyclic number.

It is not a de Polignac number, because 19846704241297 - 2¹¹ = 19846704239249 is a prime.

It is not a weakly prime, because it can be changed into another prime (19846704242297) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9923352120648 + 9923352120649.

It is an arithmetic number, because the mean of its divisors is an integer number (9923352120649).

Almost surely, 2^{19846704241297} is an apocalyptic number.

It is an amenable number.

19846704241297 is a deficient number, since it is larger than the sum of its proper divisors (1).

19846704241297 is an equidigital number, since it uses as much as digits as its factorization.

19846704241297 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48771072, while the sum is 64.

The spelling of 19846704241297 in words is "nineteen trillion, eight hundred forty-six billion, seven hundred four million, two hundred forty-one thousand, two hundred ninety-seven".