195946045429 has 2 divisors, whose sum is σ = 195946045430. Its totient is φ = 195946045428.

The previous prime is 195946045387. The next prime is 195946045453. The reversal of 195946045429 is 924540649591.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 170082008100 + 25864037329 = 412410^2 + 160823^2 .

It is a cyclic number.

It is not a de Polignac number, because 195946045429 - 2³⁵ = 161586307061 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (195946015429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 97973022714 + 97973022715.

It is an arithmetic number, because the mean of its divisors is an integer number (97973022715).

Almost surely, 2^195946045429 is an apocalyptic number.

It is an amenable number.

195946045429 is a deficient number, since it is larger than the sum of its proper divisors (1).

195946045429 is an equidigital number, since it uses as much as digits as its factorization.

195946045429 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13996800, while the sum is 58.

The spelling of 195946045429 in words is "one hundred ninety-five billion, nine hundred forty-six million, forty-five thousand, four hundred twenty-nine".