199969700771 has 8 divisors (see below), whose sum is σ = 201704509440. Its totient is φ = 198237396168.

The previous prime is 199969700761. The next prime is 199969700773. The reversal of 199969700771 is 177007969991.

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 199969700771 - 2²⁶ = 199902591907 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 199969700698 and 199969700707.

It is not an unprimeable number, because it can be changed into a prime (199969700773) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 465431 + ... + 785216.

It is an arithmetic number, because the mean of its divisors is an integer number (25213063680).

Almost surely, 2^199969700771 is an apocalyptic number.

199969700771 is a deficient number, since it is larger than the sum of its proper divisors (1734808669).

199969700771 is a wasteful number, since it uses less digits than its factorization.

199969700771 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1252033.

The product of its (nonzero) digits is 13502538, while the sum is 65.

The spelling of 199969700771 in words is "one hundred ninety-nine billion, nine hundred sixty-nine million, seven hundred thousand, seven hundred seventy-one".