195433927414919 has 2 divisors, whose sum is σ = 195433927414920. Its totient is φ = 195433927414918.

The previous prime is 195433927414909. The next prime is 195433927414951. The reversal of 195433927414919 is 919414729334591.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 195433927414919 - 2⁴⁰ = 194334415787143 is a prime.

It is a super-2 number, since 2×195433927414919² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (195433927414909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 97716963707459 + 97716963707460.

It is an arithmetic number, because the mean of its divisors is an integer number (97716963707460).

Almost surely, 2^{195433927414919} is an apocalyptic number.

195433927414919 is a deficient number, since it is larger than the sum of its proper divisors (1).

195433927414919 is an equidigital number, since it uses as much as digits as its factorization.

195433927414919 is an evil number, because the sum of its binary digits is even.

The product of its digits is 264539520, while the sum is 71.

The spelling of 195433927414919 in words is "one hundred ninety-five trillion, four hundred thirty-three billion, nine hundred twenty-seven million, four hundred fourteen thousand, nine hundred nineteen".