6898079170145 has 4 divisors (see below), whose sum is σ = 8277695004180. Its totient is φ = 5518463336112.

The previous prime is 6898079170141. The next prime is 6898079170163. The reversal of 6898079170145 is 5410719708986.

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

It can be written as a sum of positive squares in 2 ways, for example, as 4892762617681 + 2005316552464 = 2211959^2 + 1416092^2 .

It is a cyclic number.

It is not a de Polignac number, because 6898079170145 - 2² = 6898079170141 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6898079170141) 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, 689807917010 + ... + 689807917019.

It is an arithmetic number, because the mean of its divisors is an integer number (2069423751045).

Almost surely, 2^{6898079170145} is an apocalyptic number.

It is an amenable number.

6898079170145 is a deficient number, since it is larger than the sum of its proper divisors (1379615834035).

6898079170145 is a wasteful number, since it uses less digits than its factorization.

6898079170145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1379615834034.

The product of its (nonzero) digits is 30481920, while the sum is 65.

The spelling of 6898079170145 in words is "six trillion, eight hundred ninety-eight billion, seventy-nine million, one hundred seventy thousand, one hundred forty-five".