199469821029 has 16 divisors (see below), whose sum is σ = 270204361344. Its totient is φ = 130864507200.

The previous prime is 199469821009. The next prime is 199469821069. The reversal of 199469821029 is 920128964991.

It is not a de Polignac number, because 199469821029 - 2¹² = 199469816933 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (199469821009) 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, 750274 + ... + 980739.

It is an arithmetic number, because the mean of its divisors is an integer number (16887772584).

Almost surely, 2^199469821029 is an apocalyptic number.

It is an amenable number.

199469821029 is a deficient number, since it is larger than the sum of its proper divisors (70734540315).

199469821029 is a wasteful number, since it uses less digits than its factorization.

199469821029 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1731628.

The product of its (nonzero) digits is 5038848, while the sum is 60.

The spelling of 199469821029 in words is "one hundred ninety-nine billion, four hundred sixty-nine million, eight hundred twenty-one thousand, twenty-nine".