6928398169 has 81 divisors (see below), whose sum is σ = 9462005301. Its totient is φ = 5054150640.

The previous prime is 6928398167. The next prime is 6928398181. The reversal of 6928398169 is 9618938296.

The square root of 6928398169 is 83237.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 6928398169 - 2¹ = 6928398167 is a prime.

It is a super-2 number, since 2×6928398169² = 96005402376405105122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (6928398167) by changing a digit.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 147412704 + ... + 147412750.

Almost surely, 2^6928398169 is an apocalyptic number.

6928398169 is the 83237-th square number.

6928398169 is the 41619-th centered octagonal number.

It is an amenable number.

6928398169 is a deficient number, since it is larger than the sum of its proper divisors (2533607132).

6928398169 is a wasteful number, since it uses less digits than its factorization.

6928398169 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176 (or 88 counting only the distinct ones).

The product of its digits is 10077696, while the sum is 61.

The cubic root of 6928398169 is about 1906.3864656452.

The spelling of 6928398169 in words is "six billion, nine hundred twenty-eight million, three hundred ninety-eight thousand, one hundred sixty-nine".