199127629569 has 12 divisors (see below), whose sum is σ = 291834432848. Its totient is φ = 120683411640.

The previous prime is 199127629517. The next prime is 199127629627. The reversal of 199127629569 is 965926721991.

It is not a de Polignac number, because 199127629569 - 2¹³ = 199127621377 is a prime.

It is a super-2 number, since 2×199127629569² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (199127625569) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 274280119 + ... + 274280844.

Almost surely, 2^199127629569 is an apocalyptic number.

It is an amenable number.

199127629569 is a deficient number, since it is larger than the sum of its proper divisors (92706803279).

199127629569 is a wasteful number, since it uses less digits than its factorization.

199127629569 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 548560988 (or 548560977 counting only the distinct ones).

The product of its digits is 33067440, while the sum is 66.

The spelling of 199127629569 in words is "one hundred ninety-nine billion, one hundred twenty-seven million, six hundred twenty-nine thousand, five hundred sixty-nine".