2447064889 has 2 divisors, whose sum is σ = 2447064890. Its totient is φ = 2447064888.

The previous prime is 2447064883. The next prime is 2447064911. The reversal of 2447064889 is 9884607442.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2340624400 + 106440489 = 48380^2 + 10317^2 .

It is a cyclic number.

It is not a de Polignac number, because 2447064889 - 2⁵ = 2447064857 is a prime.

It is not a weakly prime, because it can be changed into another prime (2447064883) 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, 1223532444 + 1223532445.

It is an arithmetic number, because the mean of its divisors is an integer number (1223532445).

Almost surely, 2^2447064889 is an apocalyptic number.

It is an amenable number.

2447064889 is a deficient number, since it is larger than the sum of its proper divisors (1).

2447064889 is an equidigital number, since it uses as much as digits as its factorization.

2447064889 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3096576, while the sum is 52.

The square root of 2447064889 is about 49467.8166993450. The cubic root of 2447064889 is about 1347.5611915812.

The spelling of 2447064889 in words is "two billion, four hundred forty-seven million, sixty-four thousand, eight hundred eighty-nine".