2007800989 has 2 divisors, whose sum is σ = 2007800990. Its totient is φ = 2007800988.

The previous prime is 2007800987. The next prime is 2007801007. The reversal of 2007800989 is 9890087002.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1979360100 + 28440889 = 44490^2 + 5333^2 .

It is a cyclic number.

It is not a de Polignac number, because 2007800989 - 2¹ = 2007800987 is a prime.

It is a super-2 number, since 2×2007800989² = 8062529622858756242, which contains 22 as substring.

Together with 2007800987, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2007800987) 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, 1003900494 + 1003900495.

It is an arithmetic number, because the mean of its divisors is an integer number (1003900495).

Almost surely, 2^2007800989 is an apocalyptic number.

It is an amenable number.

2007800989 is a deficient number, since it is larger than the sum of its proper divisors (1).

2007800989 is an equidigital number, since it uses as much as digits as its factorization.

2007800989 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72576, while the sum is 43.

The square root of 2007800989 is about 44808.4923758879. The cubic root of 2007800989 is about 1261.5570297334.

The spelling of 2007800989 in words is "two billion, seven million, eight hundred thousand, nine hundred eighty-nine".