2408888861 has 2 divisors, whose sum is σ = 2408888862. Its totient is φ = 2408888860.

The previous prime is 2408888851. The next prime is 2408888879. The reversal of 2408888861 is 1688888042.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2087941636 + 320947225 = 45694^2 + 17915^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2408888861 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2408888851) 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, 1204444430 + 1204444431.

It is an arithmetic number, because the mean of its divisors is an integer number (1204444431).

Almost surely, 2^2408888861 is an apocalyptic number.

It is an amenable number.

2408888861 is a deficient number, since it is larger than the sum of its proper divisors (1).

2408888861 is an equidigital number, since it uses as much as digits as its factorization.

2408888861 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1572864, while the sum is 53.

The square root of 2408888861 is about 49080.4325673684. The cubic root of 2408888861 is about 1340.5167794009.

The spelling of 2408888861 in words is "two billion, four hundred eight million, eight hundred eighty-eight thousand, eight hundred sixty-one".