1963448803 has 2 divisors, whose sum is σ = 1963448804. Its totient is φ = 1963448802.

The previous prime is 1963448801. The next prime is 1963448819. The reversal of 1963448803 is 3088443691.

It is a weak prime.

It is an emirp because it is prime and its reverse (3088443691) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1963448803 - 2¹ = 1963448801 is a prime.

Together with 1963448801, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1963448801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 981724401 + 981724402.

It is an arithmetic number, because the mean of its divisors is an integer number (981724402).

Almost surely, 2^1963448803 is an apocalyptic number.

1963448803 is a deficient number, since it is larger than the sum of its proper divisors (1).

1963448803 is an equidigital number, since it uses as much as digits as its factorization.

1963448803 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 497664, while the sum is 46.

The square root of 1963448803 is about 44310.8203828365. The cubic root of 1963448803 is about 1252.1985421695.

The spelling of 1963448803 in words is "one billion, nine hundred sixty-three million, four hundred forty-eight thousand, eight hundred three".