2002045663 has 2 divisors, whose sum is σ = 2002045664. Its totient is φ = 2002045662.

The previous prime is 2002045657. The next prime is 2002045667. The reversal of 2002045663 is 3665402002.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2002045663 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2002045667) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1001022831 + 1001022832.

It is an arithmetic number, because the mean of its divisors is an integer number (1001022832).

Almost surely, 2^2002045663 is an apocalyptic number.

2002045663 is a deficient number, since it is larger than the sum of its proper divisors (1).

2002045663 is an equidigital number, since it uses as much as digits as its factorization.

2002045663 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8640, while the sum is 28.

The square root of 2002045663 is about 44744.2249122722. The cubic root of 2002045663 is about 1260.3504658339.

Adding to 2002045663 its reverse (3665402002), we get a palindrome (5667447665).

The spelling of 2002045663 in words is "two billion, two million, forty-five thousand, six hundred sixty-three".