194856913463 has 2 divisors, whose sum is σ = 194856913464. Its totient is φ = 194856913462.

The previous prime is 194856913453. The next prime is 194856913483. The reversal of 194856913463 is 364319658491.

194856913463 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is an emirp because it is prime and its reverse (364319658491) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-194856913463 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (194856913453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 97428456731 + 97428456732.

It is an arithmetic number, because the mean of its divisors is an integer number (97428456732).

Almost surely, 2^194856913463 is an apocalyptic number.

194856913463 is a deficient number, since it is larger than the sum of its proper divisors (1).

194856913463 is an equidigital number, since it uses as much as digits as its factorization.

194856913463 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 16796160, while the sum is 59.

The spelling of 194856913463 in words is "one hundred ninety-four billion, eight hundred fifty-six million, nine hundred thirteen thousand, four hundred sixty-three".