195050143147 has 2 divisors, whose sum is σ = 195050143148. Its totient is φ = 195050143146.

The previous prime is 195050143129. The next prime is 195050143151. The reversal of 195050143147 is 741341050591.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 195050143147 - 2²³ = 195041754539 is a prime.

It is not a weakly prime, because it can be changed into another prime (195050143117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 97525071573 + 97525071574.

It is an arithmetic number, because the mean of its divisors is an integer number (97525071574).

Almost surely, 2^195050143147 is an apocalyptic number.

195050143147 is a deficient number, since it is larger than the sum of its proper divisors (1).

195050143147 is an equidigital number, since it uses as much as digits as its factorization.

195050143147 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 75600, while the sum is 40.

The spelling of 195050143147 in words is "one hundred ninety-five billion, fifty million, one hundred forty-three thousand, one hundred forty-seven".