199999695447695 has 64 divisors (see below), whose sum is σ = 296802590515200. Its totient is φ = 127196735754240.

The previous prime is 199999695447589. The next prime is 199999695447743. The reversal of 199999695447695 is 596744596999991.

It is not a de Polignac number, because 199999695447695 - 2¹⁴ = 199999695431311 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 199999695447595 and 199999695447604.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1229755154 + ... + 1229917776.

It is an arithmetic number, because the mean of its divisors is an integer number (4637540476800).

Almost surely, 2^{199999695447695} is an apocalyptic number.

199999695447695 is a deficient number, since it is larger than the sum of its proper divisors (96802895067505).

199999695447695 is a wasteful number, since it uses less digits than its factorization.

199999695447695 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 253200.

The product of its digits is 482123275200, while the sum is 101.

The spelling of 199999695447695 in words is "one hundred ninety-nine trillion, nine hundred ninety-nine billion, six hundred ninety-five million, four hundred forty-seven thousand, six hundred ninety-five".