1963448805 has 16 divisors (see below), whose sum is σ = 3144418560. Its totient is φ = 1046205888.

The previous prime is 1963448803. The next prime is 1963448819. The reversal of 1963448805 is 5088443691.

It is not a de Polignac number, because 1963448805 - 2¹ = 1963448803 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1963448801) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43485 + ... + 76274.

It is an arithmetic number, because the mean of its divisors is an integer number (196526160).

Almost surely, 2^1963448805 is an apocalyptic number.

1963448805 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1963448805 is a deficient number, since it is larger than the sum of its proper divisors (1180969755).

1963448805 is a wasteful number, since it uses less digits than its factorization.

1963448805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120860.

The product of its (nonzero) digits is 829440, while the sum is 48.

The square root of 1963448805 is about 44310.8204054044. The cubic root of 1963448805 is about 1252.1985425946.

The spelling of 1963448805 in words is "one billion, nine hundred sixty-three million, four hundred forty-eight thousand, eight hundred five".