199628230469 has 16 divisors (see below), whose sum is σ = 201679632000. Its totient is φ = 197588885760.

The previous prime is 199628230421. The next prime is 199628230481. The reversal of 199628230469 is 964032826991.

It is a cyclic number.

It is not a de Polignac number, because 199628230469 - 2¹² = 199628226373 is a prime.

It is a super-2 number, since 2×199628230469² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (199628230499) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 64833872 + ... + 64836950.

It is an arithmetic number, because the mean of its divisors is an integer number (12604977000).

Almost surely, 2^199628230469 is an apocalyptic number.

It is an amenable number.

199628230469 is a deficient number, since it is larger than the sum of its proper divisors (2051401531).

199628230469 is a wasteful number, since it uses less digits than its factorization.

199628230469 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4828.

The product of its (nonzero) digits is 10077696, while the sum is 59.

The spelling of 199628230469 in words is "one hundred ninety-nine billion, six hundred twenty-eight million, two hundred thirty thousand, four hundred sixty-nine".