194118443 has 2 divisors, whose sum is σ = 194118444. Its totient is φ = 194118442.

The previous prime is 194118433. The next prime is 194118487. The reversal of 194118443 is 344811491.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 194118443 - 2²² = 189924139 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (194118433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 97059221 + 97059222.

It is an arithmetic number, because the mean of its divisors is an integer number (97059222).

Almost surely, 2^194118443 is an apocalyptic number.

194118443 is a deficient number, since it is larger than the sum of its proper divisors (1).

194118443 is an equidigital number, since it uses as much as digits as its factorization.

194118443 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13824, while the sum is 35.

The square root of 194118443 is about 13932.6394843188. The cubic root of 194118443 is about 579.0138245501.

The spelling of 194118443 in words is "one hundred ninety-four million, one hundred eighteen thousand, four hundred forty-three".