194842463 has 2 divisors, whose sum is σ = 194842464. Its totient is φ = 194842462.

The previous prime is 194842451. The next prime is 194842493. The reversal of 194842463 is 364248491.

It is a weak prime.

It is an emirp because it is prime and its reverse (364248491) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 194842463 - 2¹² = 194838367 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 194842463.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (194842493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 97421231 + 97421232.

It is an arithmetic number, because the mean of its divisors is an integer number (97421232).

Almost surely, 2^194842463 is an apocalyptic number.

194842463 is a deficient number, since it is larger than the sum of its proper divisors (1).

194842463 is an equidigital number, since it uses as much as digits as its factorization.

194842463 is an evil number, because the sum of its binary digits is even.

The product of its digits is 165888, while the sum is 41.

The square root of 194842463 is about 13958.5981746019. The cubic root of 194842463 is about 579.7327970547.

The spelling of 194842463 in words is "one hundred ninety-four million, eight hundred forty-two thousand, four hundred sixty-three".