2196843247 has 2 divisors, whose sum is σ = 2196843248. Its totient is φ = 2196843246.

The previous prime is 2196843221. The next prime is 2196843277. The reversal of 2196843247 is 7423486912.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2196843247 - 2¹⁹ = 2196318959 is a prime.

It is a super-2 number, since 2×2196843247² = 9652240503779006018, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2196843197 and 2196843206.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2196843277) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1098421623 + 1098421624.

It is an arithmetic number, because the mean of its divisors is an integer number (1098421624).

Almost surely, 2^2196843247 is an apocalyptic number.

2196843247 is a deficient number, since it is larger than the sum of its proper divisors (1).

2196843247 is an equidigital number, since it uses as much as digits as its factorization.

2196843247 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 580608, while the sum is 46.

The square root of 2196843247 is about 46870.4944181305. The cubic root of 2196843247 is about 1299.9690815132.

The spelling of 2196843247 in words is "two billion, one hundred ninety-six million, eight hundred forty-three thousand, two hundred forty-seven".