2003440963 has 2 divisors, whose sum is σ = 2003440964. Its totient is φ = 2003440962.

The previous prime is 2003440927. The next prime is 2003441021. The reversal of 2003440963 is 3690443002.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2003440963 - 2⁹ = 2003440451 is a prime.

It is not a weakly prime, because it can be changed into another prime (2003440903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1001720481 + 1001720482.

It is an arithmetic number, because the mean of its divisors is an integer number (1001720482).

Almost surely, 2^2003440963 is an apocalyptic number.

2003440963 is a deficient number, since it is larger than the sum of its proper divisors (1).

2003440963 is an equidigital number, since it uses as much as digits as its factorization.

2003440963 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15552, while the sum is 31.

The square root of 2003440963 is about 44759.8141528760. The cubic root of 2003440963 is about 1260.6431928611.

Adding to 2003440963 its reverse (3690443002), we get a palindrome (5693883965).

The spelling of 2003440963 in words is "two billion, three million, four hundred forty thousand, nine hundred sixty-three".