10198979899 has 8 divisors (see below), whose sum is σ = 10494304272. Its totient is φ = 9907466400.

The previous prime is 10198979807. The next prime is 10198979911. The reversal of 10198979899 is 99897989101.

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

It is a cyclic number.

It is not a de Polignac number, because 10198979899 - 2¹⁷ = 10198848827 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10198979299) 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 7 ways as a sum of consecutive naturals, for example, 947289 + ... + 957994.

It is an arithmetic number, because the mean of its divisors is an integer number (1311788034).

Almost surely, 2^10198979899 is an apocalyptic number.

10198979899 is a deficient number, since it is larger than the sum of its proper divisors (295324373).

10198979899 is a wasteful number, since it uses less digits than its factorization.

10198979899 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1905437.

The product of its (nonzero) digits is 26453952, while the sum is 70.

The spelling of 10198979899 in words is "ten billion, one hundred ninety-eight million, nine hundred seventy-nine thousand, eight hundred ninety-nine".