199953829627 has 4 divisors (see below), whose sum is σ = 202200501960. Its totient is φ = 197707157296.

The previous prime is 199953829619. The next prime is 199953829657. The reversal of 199953829627 is 726928359991.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 199953829627 - 2³ = 199953829619 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (199953829657) 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 in 3 ways as a sum of consecutive naturals, for example, 1123336033 + ... + 1123336210.

It is an arithmetic number, because the mean of its divisors is an integer number (50550125490).

Almost surely, 2^199953829627 is an apocalyptic number.

199953829627 is a deficient number, since it is larger than the sum of its proper divisors (2246672333).

199953829627 is an equidigital number, since it uses as much as digits as its factorization.

199953829627 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2246672332.

The product of its digits is 132269760, while the sum is 70.

The spelling of 199953829627 in words is "one hundred ninety-nine billion, nine hundred fifty-three million, eight hundred twenty-nine thousand, six hundred twenty-seven".