199059943405 has 8 divisors (see below), whose sum is σ = 241334529912. Its totient is φ = 157606222848.

The previous prime is 199059943399. The next prime is 199059943441. The reversal of 199059943405 is 504349950991.

It can be written as a sum of positive squares in 4 ways, for example, as 56234905321 + 142825038084 = 237139^2 + 377922^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 199059943405 - 2²³ = 199051554797 is a prime.

It is a super-2 number, since 2×199059943405² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 199059943405.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 205215952 + ... + 205216921.

It is an arithmetic number, because the mean of its divisors is an integer number (30166816239).

Almost surely, 2^199059943405 is an apocalyptic number.

It is an amenable number.

199059943405 is a deficient number, since it is larger than the sum of its proper divisors (42274586507).

199059943405 is an equidigital number, since it uses as much as digits as its factorization.

199059943405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 410432975.

The product of its (nonzero) digits is 7873200, while the sum is 58.

The spelling of 199059943405 in words is "one hundred ninety-nine billion, fifty-nine million, nine hundred forty-three thousand, four hundred five".