199527952829 has 2 divisors, whose sum is σ = 199527952830. Its totient is φ = 199527952828.

The previous prime is 199527952711. The next prime is 199527952909. The reversal of 199527952829 is 928259725991.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 120271627204 + 79256325625 = 346802^2 + 281525^2 .

It is a cyclic number.

It is not a de Polignac number, because 199527952829 - 2⁸ = 199527952573 is a prime.

It is a super-2 number, since 2×199527952829² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (199527252829) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 99763976414 + 99763976415.

It is an arithmetic number, because the mean of its divisors is an integer number (99763976415).

Almost surely, 2^199527952829 is an apocalyptic number.

It is an amenable number.

199527952829 is a deficient number, since it is larger than the sum of its proper divisors (1).

199527952829 is an equidigital number, since it uses as much as digits as its factorization.

199527952829 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 73483200, while the sum is 68.

The spelling of 199527952829 in words is "one hundred ninety-nine billion, five hundred twenty-seven million, nine hundred fifty-two thousand, eight hundred twenty-nine".