2182824649 has 2 divisors, whose sum is σ = 2182824650. Its totient is φ = 2182824648.

The previous prime is 2182824647. The next prime is 2182824673. The reversal of 2182824649 is 9464282812.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1587464649 + 595360000 = 39843^2 + 24400^2 .

It is a cyclic number.

It is not a de Polignac number, because 2182824649 - 2¹ = 2182824647 is a prime.

Together with 2182824647, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 2182824599 and 2182824608.

It is not a weakly prime, because it can be changed into another prime (2182824643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1091412324 + 1091412325.

It is an arithmetic number, because the mean of its divisors is an integer number (1091412325).

Almost surely, 2^2182824649 is an apocalyptic number.

It is an amenable number.

2182824649 is a deficient number, since it is larger than the sum of its proper divisors (1).

2182824649 is an equidigital number, since it uses as much as digits as its factorization.

2182824649 is an evil number, because the sum of its binary digits is even.

The product of its digits is 442368, while the sum is 46.

The square root of 2182824649 is about 46720.7089950484. The cubic root of 2182824649 is about 1297.1980378956.

The spelling of 2182824649 in words is "two billion, one hundred eighty-two million, eight hundred twenty-four thousand, six hundred forty-nine".