2489796343 has 2 divisors, whose sum is σ = 2489796344. Its totient is φ = 2489796342.

The previous prime is 2489796329. The next prime is 2489796367. The reversal of 2489796343 is 3436979842.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2489796343 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2489796143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1244898171 + 1244898172.

It is an arithmetic number, because the mean of its divisors is an integer number (1244898172).

Almost surely, 2^2489796343 is an apocalyptic number.

2489796343 is a deficient number, since it is larger than the sum of its proper divisors (1).

2489796343 is an equidigital number, since it uses as much as digits as its factorization.

2489796343 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7838208, while the sum is 55.

The square root of 2489796343 is about 49897.8591023703. The cubic root of 2489796343 is about 1355.3598247377.

The spelling of 2489796343 in words is "two billion, four hundred eighty-nine million, seven hundred ninety-six thousand, three hundred forty-three".