198829489653 has 6 divisors (see below), whose sum is σ = 287198151734. Its totient is φ = 132552993096.

The previous prime is 198829489643. The next prime is 198829489669. The reversal of 198829489653 is 356984928891.

198829489653 is a `hidden beast` number, since 1 + 9 + 8 + 82 + 9 + 489 + 65 + 3 = 666.

It can be written as a sum of positive squares in only one way, i.e., 121733303409 + 77096186244 = 348903^2 + 277662^2 .

It is not a de Polignac number, because 198829489653 - 2¹⁰ = 198829488629 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (198829489643) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11046082750 + ... + 11046082767.

Almost surely, 2^198829489653 is an apocalyptic number.

It is an amenable number.

198829489653 is a deficient number, since it is larger than the sum of its proper divisors (88368662081).

198829489653 is a wasteful number, since it uses less digits than its factorization.

198829489653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22092165523 (or 22092165520 counting only the distinct ones).

The product of its digits is 268738560, while the sum is 72.

The spelling of 198829489653 in words is "one hundred ninety-eight billion, eight hundred twenty-nine million, four hundred eighty-nine thousand, six hundred fifty-three".