195897048436799 has 16 divisors (see below), whose sum is σ = 209711067939072. Its totient is φ = 182586277038528.

The previous prime is 195897048436729. The next prime is 195897048436801. The reversal of 195897048436799 is 997634840798591.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-195897048436799 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (195897048436729) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 702721097 + ... + 702999810.

It is an arithmetic number, because the mean of its divisors is an integer number (13106941746192).

Almost surely, 2^{195897048436799} is an apocalyptic number.

195897048436799 is a deficient number, since it is larger than the sum of its proper divisors (13814019502273).

195897048436799 is a wasteful number, since it uses less digits than its factorization.

195897048436799 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1405721086.

The product of its (nonzero) digits is 29628426240, while the sum is 89.

The spelling of 195897048436799 in words is "one hundred ninety-five trillion, eight hundred ninety-seven billion, forty-eight million, four hundred thirty-six thousand, seven hundred ninety-nine".