9702198485579 has 4 divisors (see below), whose sum is σ = 9703214751384. Its totient is φ = 9701182219776.

The previous prime is 9702198485569. The next prime is 9702198485653. The reversal of 9702198485579 is 9755848912079.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 9702198485579 - 2¹⁶ = 9702198420043 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9702198485519) 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, 508118582 + ... + 508137675.

It is an arithmetic number, because the mean of its divisors is an integer number (2425803687846).

Almost surely, 2^{9702198485579} is an apocalyptic number.

9702198485579 is a deficient number, since it is larger than the sum of its proper divisors (1016265805).

9702198485579 is a wasteful number, since it uses less digits than its factorization.

9702198485579 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1016265804.

The product of its (nonzero) digits is 457228800, while the sum is 74.

The spelling of 9702198485579 in words is "nine trillion, seven hundred two billion, one hundred ninety-eight million, four hundred eighty-five thousand, five hundred seventy-nine".