2489356843 has 2 divisors, whose sum is σ = 2489356844. Its totient is φ = 2489356842.

The previous prime is 2489356829. The next prime is 2489356871. The reversal of 2489356843 is 3486539842.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2489356843 - 2¹⁷ = 2489225771 is a prime.

It is not a weakly prime, because it can be changed into another prime (2489356643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1244678421 + 1244678422.

It is an arithmetic number, because the mean of its divisors is an integer number (1244678422).

Almost surely, 2^2489356843 is an apocalyptic number.

2489356843 is a deficient number, since it is larger than the sum of its proper divisors (1).

2489356843 is an equidigital number, since it uses as much as digits as its factorization.

2489356843 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4976640, while the sum is 52.

The square root of 2489356843 is about 49893.4549114410. The cubic root of 2489356843 is about 1355.2800704641.

The spelling of 2489356843 in words is "two billion, four hundred eighty-nine million, three hundred fifty-six thousand, eight hundred forty-three".