199953829628 has 12 divisors (see below), whose sum is σ = 399907659312. Its totient is φ = 85694498400.

The previous prime is 199953829619. The next prime is 199953829657. The reversal of 199953829628 is 826928359991.

199953829628 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

199953829628 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3570604073 + ... + 3570604128.

It is an arithmetic number, because the mean of its divisors is an integer number (33325638276).

Almost surely, 2^199953829628 is an apocalyptic number.

It is an amenable number.

199953829628 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

199953829628 is a wasteful number, since it uses less digits than its factorization.

199953829628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7141208212 (or 7141208210 counting only the distinct ones).

The product of its digits is 151165440, while the sum is 71.

The spelling of 199953829628 in words is "one hundred ninety-nine billion, nine hundred fifty-three million, eight hundred twenty-nine thousand, six hundred twenty-eight".