199999999995 has 32 divisors (see below), whose sum is σ = 322752000000. Its totient is φ = 105752542464.

The previous prime is 199999999949. The next prime is 200000000041. The reversal of 199999999995 is 599999999991.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (199999999949) and next prime (200000000041).

It is not a de Polignac number, because 199999999995 - 2⁷ = 199999999867 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 900006 + ... + 1100004.

It is an arithmetic number, because the mean of its divisors is an integer number (10086000000).

Almost surely, 2^199999999995 is an apocalyptic number.

199999999995 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

199999999995 is a deficient number, since it is larger than the sum of its proper divisors (122752000005).

199999999995 is a wasteful number, since it uses less digits than its factorization.

199999999995 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200579.

The product of its digits is 17433922005, while the sum is 96.

The spelling of 199999999995 in words is "one hundred ninety-nine billion, nine hundred ninety-nine million, nine hundred ninety-nine thousand, nine hundred ninety-five".