2686245241 has 3 divisors (see below), whose sum is σ = 2686297071. Its totient is φ = 2686193412.

The previous prime is 2686245229. The next prime is 2686245277. The reversal of 2686245241 is 1425426862.

The square root of 2686245241 is 51829.

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

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 886788841 + 1799456400 = 29779^2 + 42420^2 .

It is not a de Polignac number, because 2686245241 - 2⁵ = 2686245209 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2686245194 and 2686245203.

It is not an unprimeable number, because it can be changed into a prime (2686285241) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 25915 + ... + 77743.

It is an arithmetic number, because the mean of its divisors is an integer number (895432357).

Almost surely, 2^2686245241 is an apocalyptic number.

2686245241 is the 51829-th square number.

2686245241 is the 25915-th centered octagonal number.

It is an amenable number.

2686245241 is a deficient number, since it is larger than the sum of its proper divisors (51830).

2686245241 is an frugal number, since it uses more digits than its factorization.

2686245241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103658 (or 51829 counting only the distinct ones).

The product of its digits is 184320, while the sum is 40.

The cubic root of 2686245241 is about 1390.1080331125.

The spelling of 2686245241 in words is "two billion, six hundred eighty-six million, two hundred forty-five thousand, two hundred forty-one".