199400005005 has 32 divisors (see below), whose sum is σ = 334835755776. Its totient is φ = 101134877184.

The previous prime is 199400004977. The next prime is 199400005031. The reversal of 199400005005 is 500500004991.

It is not a de Polignac number, because 199400005005 - 2¹¹ = 199400002957 is a prime.

It is a congruent number.

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, 1610752 + ... + 1730121.

It is an arithmetic number, because the mean of its divisors is an integer number (10463617368).

Almost surely, 2^199400005005 is an apocalyptic number.

199400005005 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

199400005005 is a deficient number, since it is larger than the sum of its proper divisors (135435750771).

199400005005 is a wasteful number, since it uses less digits than its factorization.

199400005005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3341077.

The product of its (nonzero) digits is 8100, while the sum is 33.

Adding to 199400005005 its reverse (500500004991), we get a palindrome (699900009996).

The spelling of 199400005005 in words is "one hundred ninety-nine billion, four hundred million, five thousand, five".