2406863309 has 2 divisors, whose sum is σ = 2406863310. Its totient is φ = 2406863308.

The previous prime is 2406863273. The next prime is 2406863351. The reversal of 2406863309 is 9033686042.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2344690084 + 62173225 = 48422^2 + 7885^2 .

It is a cyclic number.

It is not a de Polignac number, because 2406863309 - 2²⁴ = 2390086093 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2406863369) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1203431654 + 1203431655.

It is an arithmetic number, because the mean of its divisors is an integer number (1203431655).

Almost surely, 2^2406863309 is an apocalyptic number.

It is an amenable number.

2406863309 is a deficient number, since it is larger than the sum of its proper divisors (1).

2406863309 is an equidigital number, since it uses as much as digits as its factorization.

2406863309 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 186624, while the sum is 41.

The square root of 2406863309 is about 49059.7932017655. The cubic root of 2406863309 is about 1340.1409425152.

The spelling of 2406863309 in words is "two billion, four hundred six million, eight hundred sixty-three thousand, three hundred nine".