10198943834 has 8 divisors (see below), whose sum is σ = 15299188308. Its totient is φ = 5099214400.

The previous prime is 10198943831. The next prime is 10198943873. The reversal of 10198943834 is 43834989101.

It can be written as a sum of positive squares in 2 ways, for example, as 9925140625 + 273803209 = 99625^2 + 16547^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (10198943831) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74717 + ... + 161184.

Almost surely, 2^10198943834 is an apocalyptic number.

10198943834 is a deficient number, since it is larger than the sum of its proper divisors (5100244474).

10198943834 is a wasteful number, since it uses less digits than its factorization.

10198943834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 257520.

The product of its (nonzero) digits is 746496, while the sum is 50.

The spelling of 10198943834 in words is "ten billion, one hundred ninety-eight million, nine hundred forty-three thousand, eight hundred thirty-four".