199953829629 has 6 divisors (see below), whose sum is σ = 288822198366. Its totient is φ = 133302553080.

The previous prime is 199953829619. The next prime is 199953829657. The reversal of 199953829629 is 926928359991.

199953829629 is a `hidden beast` number, since 1 + 9 + 9 + 9 + 538 + 29 + 62 + 9 = 666.

It can be written as a sum of positive squares in only one way, i.e., 122055903225 + 77897926404 = 349365^2 + 279102^2 .

It is not a de Polignac number, because 199953829629 - 2¹⁶ = 199953764093 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (199953829619) 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 5 ways as a sum of consecutive naturals, for example, 11108546082 + ... + 11108546099.

It is an arithmetic number, because the mean of its divisors is an integer number (48137033061).

Almost surely, 2^199953829629 is an apocalyptic number.

It is an amenable number.

199953829629 is a deficient number, since it is larger than the sum of its proper divisors (88868368737).

199953829629 is a wasteful number, since it uses less digits than its factorization.

199953829629 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22217092187 (or 22217092184 counting only the distinct ones).

The product of its digits is 170061120, while the sum is 72.

The spelling of 199953829629 in words is "one hundred ninety-nine billion, nine hundred fifty-three million, eight hundred twenty-nine thousand, six hundred twenty-nine".