195470141957 has 2 divisors, whose sum is σ = 195470141958. Its totient is φ = 195470141956.

The previous prime is 195470141941. The next prime is 195470141963. The reversal of 195470141957 is 759141074591.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 189184982116 + 6285159841 = 434954^2 + 79279^2 .

It is a cyclic number.

It is not a de Polignac number, because 195470141957 - 2⁴ = 195470141941 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 195470141899 and 195470141908.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (195470141257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 97735070978 + 97735070979.

It is an arithmetic number, because the mean of its divisors is an integer number (97735070979).

Almost surely, 2^195470141957 is an apocalyptic number.

It is an amenable number.

195470141957 is a deficient number, since it is larger than the sum of its proper divisors (1).

195470141957 is an equidigital number, since it uses as much as digits as its factorization.

195470141957 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1587600, while the sum is 53.

The spelling of 195470141957 in words is "one hundred ninety-five billion, four hundred seventy million, one hundred forty-one thousand, nine hundred fifty-seven".