199832913795529 has 9 divisors (see below), whose sum is σ = 232458810749031. Its totient is φ = 171285269864520.

The previous prime is 199832913795503. The next prime is 199832913795533. The reversal of 199832913795529 is 925597319238991.

The square root of 199832913795529 is 14136227.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 50109791695929 + 149723122099600 = 7078827^2 + 12236140^2 .

It is not a de Polignac number, because 199832913795529 - 2⁷ = 199832913795401 is a prime.

It is a super-2 number, since 2×199832913795529² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (199832913795929) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 97943859 + ... + 99963319.

Almost surely, 2^{199832913795529} is an apocalyptic number.

199832913795529 is the 14136227-th square number.

199832913795529 is the 7068114-th centered octagonal number.

It is an amenable number.

199832913795529 is a deficient number, since it is larger than the sum of its proper divisors (32625896953502).

199832913795529 is an frugal number, since it uses more digits than its factorization.

199832913795529 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4038936 (or 2019468 counting only the distinct ones).

The product of its digits is 2976069600, while the sum is 82.

The spelling of 199832913795529 in words is "one hundred ninety-nine trillion, eight hundred thirty-two billion, nine hundred thirteen million, seven hundred ninety-five thousand, five hundred twenty-nine".