2003259989 has 2 divisors, whose sum is σ = 2003259990. Its totient is φ = 2003259988.

The previous prime is 2003259977. The next prime is 2003259997. The reversal of 2003259989 is 9899523002.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1952137489 + 51122500 = 44183^2 + 7150^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2003259989 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2003259919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1001629994 + 1001629995.

It is an arithmetic number, because the mean of its divisors is an integer number (1001629995).

Almost surely, 2^2003259989 is an apocalyptic number.

It is an amenable number.

2003259989 is a deficient number, since it is larger than the sum of its proper divisors (1).

2003259989 is an equidigital number, since it uses as much as digits as its factorization.

2003259989 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 349920, while the sum is 47.

The square root of 2003259989 is about 44757.7924947154. The cubic root of 2003259989 is about 1260.6052330851.

The spelling of 2003259989 in words is "two billion, three million, two hundred fifty-nine thousand, nine hundred eighty-nine".