2989409663 has 2 divisors, whose sum is σ = 2989409664. Its totient is φ = 2989409662.

The previous prime is 2989409627. The next prime is 2989409677. The reversal of 2989409663 is 3669049892.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2989409663 - 2¹² = 2989405567 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2989409599 and 2989409608.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2989409963) 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, 1494704831 + 1494704832.

It is an arithmetic number, because the mean of its divisors is an integer number (1494704832).

Almost surely, 2^2989409663 is an apocalyptic number.

2989409663 is a deficient number, since it is larger than the sum of its proper divisors (1).

2989409663 is an equidigital number, since it uses as much as digits as its factorization.

2989409663 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5038848, while the sum is 56.

The square root of 2989409663 is about 54675.4941724352. The cubic root of 2989409663 is about 1440.5504683974.

The spelling of 2989409663 in words is "two billion, nine hundred eighty-nine million, four hundred nine thousand, six hundred sixty-three".