195105629 has 2 divisors, whose sum is σ = 195105630. Its totient is φ = 195105628.

The previous prime is 195105611. The next prime is 195105697. The reversal of 195105629 is 926501591.

195105629 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 187416100 + 7689529 = 13690^2 + 2773^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-195105629 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 195105592 and 195105601.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (195105829) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 97552814 + 97552815.

It is an arithmetic number, because the mean of its divisors is an integer number (97552815).

Almost surely, 2^195105629 is an apocalyptic number.

It is an amenable number.

195105629 is a deficient number, since it is larger than the sum of its proper divisors (1).

195105629 is an equidigital number, since it uses as much as digits as its factorization.

195105629 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24300, while the sum is 38.

The square root of 195105629 is about 13968.0216566270. The cubic root of 195105629 is about 579.9936870102.

The spelling of 195105629 in words is "one hundred ninety-five million, one hundred five thousand, six hundred twenty-nine".