199528671351871 has 2 divisors, whose sum is σ = 199528671351872. Its totient is φ = 199528671351870.

The previous prime is 199528671351859. The next prime is 199528671351883. The reversal of 199528671351871 is 178153176825991.

199528671351871 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a balanced prime because it is at equal distance from previous prime (199528671351859) and next prime (199528671351883).

It is a cyclic number.

It is not a de Polignac number, because 199528671351871 - 2²³ = 199528662963263 is a prime.

It is a super-2 number, since 2×199528671351871² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 199528671351794 and 199528671351803.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (199528671301871) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 99764335675935 + 99764335675936.

It is an arithmetic number, because the mean of its divisors is an integer number (99764335675936).

Almost surely, 2^{199528671351871} is an apocalyptic number.

199528671351871 is a deficient number, since it is larger than the sum of its proper divisors (1).

199528671351871 is an equidigital number, since it uses as much as digits as its factorization.

199528671351871 is an evil number, because the sum of its binary digits is even.

The product of its digits is 228614400, while the sum is 73.

The spelling of 199528671351871 in words is "one hundred ninety-nine trillion, five hundred twenty-eight billion, six hundred seventy-one million, three hundred fifty-one thousand, eight hundred seventy-one".