2680181297 has 4 divisors (see below), whose sum is σ = 2690610276. Its totient is φ = 2669752320.

The previous prime is 2680181293. The next prime is 2680181311. The reversal of 2680181297 is 7921810862.

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 1723578256 + 956603041 = 41516^2 + 30929^2 .

It is a cyclic number.

It is not a de Polignac number, because 2680181297 - 2² = 2680181293 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2680181293) 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, 5214104 + ... + 5214617.

It is an arithmetic number, because the mean of its divisors is an integer number (672652569).

Almost surely, 2^2680181297 is an apocalyptic number.

It is an amenable number.

2680181297 is a deficient number, since it is larger than the sum of its proper divisors (10428979).

2680181297 is a wasteful number, since it uses less digits than its factorization.

2680181297 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10428978.

The product of its (nonzero) digits is 96768, while the sum is 44.

The square root of 2680181297 is about 51770.4674211080. The cubic root of 2680181297 is about 1389.0612326609.

The spelling of 2680181297 in words is "two billion, six hundred eighty million, one hundred eighty-one thousand, two hundred ninety-seven".