2182798709 has 16 divisors (see below), whose sum is σ = 2779163520. Its totient is φ = 1667494080.

The previous prime is 2182798697. The next prime is 2182798741. The reversal of 2182798709 is 9078972812.

It is a happy number.

2182798709 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-2182798709 is a prime.

It is a super-2 number, since 2×2182798709² = 9529220408024133362, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2182798909) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 410927 + ... + 416204.

It is an arithmetic number, because the mean of its divisors is an integer number (173697720).

Almost surely, 2^2182798709 is an apocalyptic number.

2182798709 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

It is an amenable number.

2182798709 is a deficient number, since it is larger than the sum of its proper divisors (596364811).

2182798709 is a wasteful number, since it uses less digits than its factorization.

2182798709 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 827180.

The product of its (nonzero) digits is 1016064, while the sum is 53.

The square root of 2182798709 is about 46720.4313871351. The cubic root of 2182798709 is about 1297.1928993778.

The spelling of 2182798709 in words is "two billion, one hundred eighty-two million, seven hundred ninety-eight thousand, seven hundred nine".