194944801 has 2 divisors, whose sum is σ = 194944802. Its totient is φ = 194944800.

The previous prime is 194944793. The next prime is 194944811. The reversal of 194944801 is 108449491.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 116640000 + 78304801 = 10800^2 + 8849^2 .

It is a cyclic number.

It is not a de Polignac number, because 194944801 - 2³ = 194944793 is a prime.

It is not a weakly prime, because it can be changed into another prime (194944811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 97472400 + 97472401.

It is an arithmetic number, because the mean of its divisors is an integer number (97472401).

Almost surely, 2^194944801 is an apocalyptic number.

It is an amenable number.

194944801 is a deficient number, since it is larger than the sum of its proper divisors (1).

194944801 is an equidigital number, since it uses as much as digits as its factorization.

194944801 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 41472, while the sum is 40.

The square root of 194944801 is about 13962.2634626338. The cubic root of 194944801 is about 579.8342778612.

The spelling of 194944801 in words is "one hundred ninety-four million, nine hundred forty-four thousand, eight hundred one".