42146150197 has 2 divisors, whose sum is σ = 42146150198. Its totient is φ = 42146150196.

The previous prime is 42146150191. The next prime is 42146150201. The reversal of 42146150197 is 79105164124.

It is a happy number.

42146150197 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 26688449956 + 15457700241 = 163366^2 + 124329^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42146150197 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42146150191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21073075098 + 21073075099.

It is an arithmetic number, because the mean of its divisors is an integer number (21073075099).

Almost surely, 2^42146150197 is an apocalyptic number.

It is an amenable number.

42146150197 is a deficient number, since it is larger than the sum of its proper divisors (1).

42146150197 is an equidigital number, since it uses as much as digits as its factorization.

42146150197 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 60480, while the sum is 40.

The spelling of 42146150197 in words is "forty-two billion, one hundred forty-six million, one hundred fifty thousand, one hundred ninety-seven".