2003019749989 has 2 divisors, whose sum is σ = 2003019749990. Its totient is φ = 2003019749988.

The previous prime is 2003019749981. The next prime is 2003019750019. The reversal of 2003019749989 is 9899479103002.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1143381104100 + 859638645889 = 1069290^2 + 927167^2 .

It is a cyclic number.

It is not a de Polignac number, because 2003019749989 - 2³ = 2003019749981 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2003019749981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1001509874994 + 1001509874995.

It is an arithmetic number, because the mean of its divisors is an integer number (1001509874995).

Almost surely, 2^{2003019749989} is an apocalyptic number.

It is an amenable number.

2003019749989 is a deficient number, since it is larger than the sum of its proper divisors (1).

2003019749989 is an equidigital number, since it uses as much as digits as its factorization.

2003019749989 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8817984, while the sum is 61.

The spelling of 2003019749989 in words is "two trillion, three billion, nineteen million, seven hundred forty-nine thousand, nine hundred eighty-nine".