194875422899 has 2 divisors, whose sum is σ = 194875422900. Its totient is φ = 194875422898.

The previous prime is 194875422887. The next prime is 194875422961. The reversal of 194875422899 is 998224578491.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 194875422899 - 2³² = 190580455603 is a prime.

It is not a weakly prime, because it can be changed into another prime (194875422809) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 97437711449 + 97437711450.

It is an arithmetic number, because the mean of its divisors is an integer number (97437711450).

Almost surely, 2^194875422899 is an apocalyptic number.

194875422899 is a deficient number, since it is larger than the sum of its proper divisors (1).

194875422899 is an equidigital number, since it uses as much as digits as its factorization.

194875422899 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 104509440, while the sum is 68.

The spelling of 194875422899 in words is "one hundred ninety-four billion, eight hundred seventy-five million, four hundred twenty-two thousand, eight hundred ninety-nine".