194284569959993 has 2 divisors, whose sum is σ = 194284569959994. Its totient is φ = 194284569959992.

The previous prime is 194284569959971. The next prime is 194284569960011. The reversal of 194284569959993 is 399959965482491.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 108090372809104 + 86194197150889 = 10396652^2 + 9284083^2 .

It is a cyclic number.

It is not a de Polignac number, because 194284569959993 - 2⁶ = 194284569959929 is a prime.

It is not a weakly prime, because it can be changed into another prime (194284569959093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 97142284979996 + 97142284979997.

It is an arithmetic number, because the mean of its divisors is an integer number (97142284979997).

Almost surely, 2^{194284569959993} is an apocalyptic number.

It is an amenable number.

194284569959993 is a deficient number, since it is larger than the sum of its proper divisors (1).

194284569959993 is an equidigital number, since it uses as much as digits as its factorization.

194284569959993 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 61222003200, while the sum is 92.

The spelling of 194284569959993 in words is "one hundred ninety-four trillion, two hundred eighty-four billion, five hundred sixty-nine million, nine hundred fifty-nine thousand, nine hundred ninety-three".