199674124893 has 40 divisors (see below), whose sum is σ = 321287594496. Its totient is φ = 123221023200.

The previous prime is 199674124883. The next prime is 199674124921. The reversal of 199674124893 is 398421476991.

199674124893 is a `hidden beast` number, since 1 + 9 + 96 + 7 + 412 + 48 + 93 = 666.

It is not a de Polignac number, because 199674124893 - 2¹² = 199674120797 is a prime.

It is a super-2 number, since 2×199674124893² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 199674124893.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (199674124823) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1670938 + ... + 1786443.

Almost surely, 2^199674124893 is an apocalyptic number.

It is an amenable number.

199674124893 is a deficient number, since it is larger than the sum of its proper divisors (121613469603).

199674124893 is a wasteful number, since it uses less digits than its factorization.

199674124893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3457447 (or 3457438 counting only the distinct ones).

The product of its digits is 23514624, while the sum is 63.

The spelling of 199674124893 in words is "one hundred ninety-nine billion, six hundred seventy-four million, one hundred twenty-four thousand, eight hundred ninety-three".