2068725169 has 6 divisors (see below), whose sum is σ = 2406476274. Its totient is φ = 1773192960.

The previous prime is 2068725161. The next prime is 2068725181. The reversal of 2068725169 is 9615278602.

It can be written as a sum of positive squares in only one way, i.e., 2067066225 + 1658944 = 45465^2 + 1288^2 .

It is not a de Polignac number, because 2068725169 - 2³ = 2068725161 is a prime.

It is a super-2 number, since 2×2068725169² = 8559247649708157122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2068725161) 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 5 ways as a sum of consecutive naturals, for example, 21109392 + ... + 21109489.

It is an arithmetic number, because the mean of its divisors is an integer number (401079379).

Almost surely, 2^2068725169 is an apocalyptic number.

It is an amenable number.

2068725169 is a deficient number, since it is larger than the sum of its proper divisors (337751105).

2068725169 is an equidigital number, since it uses as much as digits as its factorization.

2068725169 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42218895 (or 42218888 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 46.

The square root of 2068725169 is about 45483.2405287926. The cubic root of 2068725169 is about 1274.1902163350.

The spelling of 2068725169 in words is "two billion, sixty-eight million, seven hundred twenty-five thousand, one hundred sixty-nine".