195850429 has 2 divisors, whose sum is σ = 195850430. Its totient is φ = 195850428.

The previous prime is 195850409. The next prime is 195850453. The reversal of 195850429 is 924058591.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 173976100 + 21874329 = 13190^2 + 4677^2 .

It is a cyclic number.

It is not a de Polignac number, because 195850429 - 2⁷ = 195850301 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (195850409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 97925214 + 97925215.

It is an arithmetic number, because the mean of its divisors is an integer number (97925215).

Almost surely, 2^195850429 is an apocalyptic number.

It is an amenable number.

195850429 is a deficient number, since it is larger than the sum of its proper divisors (1).

195850429 is an equidigital number, since it uses as much as digits as its factorization.

195850429 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 129600, while the sum is 43.

The square root of 195850429 is about 13994.6571590732. The cubic root of 195850429 is about 580.7307762492.

The spelling of 195850429 in words is "one hundred ninety-five million, eight hundred fifty thousand, four hundred twenty-nine".