195529429 has 2 divisors, whose sum is σ = 195529430. Its totient is φ = 195529428.

The previous prime is 195529409. The next prime is 195529487. The reversal of 195529429 is 924925591.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 115068529 + 80460900 = 10727^2 + 8970^2 .

It is a cyclic number.

It is not a de Polignac number, because 195529429 - 2¹⁵ = 195496661 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (195529409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 97764714 + 97764715.

It is an arithmetic number, because the mean of its divisors is an integer number (97764715).

Almost surely, 2^195529429 is an apocalyptic number.

It is an amenable number.

195529429 is a deficient number, since it is larger than the sum of its proper divisors (1).

195529429 is an equidigital number, since it uses as much as digits as its factorization.

195529429 is an evil number, because the sum of its binary digits is even.

The product of its digits is 291600, while the sum is 46.

The square root of 195529429 is about 13983.1837933998. The cubic root of 195529429 is about 580.4133290391.

The spelling of 195529429 in words is "one hundred ninety-five million, five hundred twenty-nine thousand, four hundred twenty-nine".