199889000932 has 12 divisors (see below), whose sum is σ = 350843753260. Its totient is φ = 99647928576.

The previous prime is 199889000881. The next prime is 199889000933. The reversal of 199889000932 is 239000988991.

It can be written as a sum of positive squares in 2 ways, for example, as 62087682276 + 137801318656 = 249174^2 + 371216^2 .

It is a super-2 number, since 2×199889000932² (a number of 23 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (58) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (199889000933) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74141457 + ... + 74144152.

Almost surely, 2^199889000932 is an apocalyptic number.

It is an amenable number.

199889000932 is a deficient number, since it is larger than the sum of its proper divisors (150954752328).

199889000932 is a wasteful number, since it uses less digits than its factorization.

199889000932 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148285950 (or 148285948 counting only the distinct ones).

The product of its (nonzero) digits is 2519424, while the sum is 58.

The spelling of 199889000932 in words is "one hundred ninety-nine billion, eight hundred eighty-nine million, nine hundred thirty-two", and thus it is an aban number.