195361889759 has 2 divisors, whose sum is σ = 195361889760. Its totient is φ = 195361889758.

The previous prime is 195361889693. The next prime is 195361889771. The reversal of 195361889759 is 957988163591.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 195361889759 - 2³² = 191066922463 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 195361889692 and 195361889701.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (195361889659) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 97680944879 + 97680944880.

It is an arithmetic number, because the mean of its divisors is an integer number (97680944880).

Almost surely, 2^195361889759 is an apocalyptic number.

195361889759 is a deficient number, since it is larger than the sum of its proper divisors (1).

195361889759 is an equidigital number, since it uses as much as digits as its factorization.

195361889759 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 146966400, while the sum is 71.

The spelling of 195361889759 in words is "one hundred ninety-five billion, three hundred sixty-one million, eight hundred eighty-nine thousand, seven hundred fifty-nine".