6463455403 has 4 divisors (see below), whose sum is σ = 6843658680. Its totient is φ = 6083252128.

The previous prime is 6463455379. The next prime is 6463455407. The reversal of 6463455403 is 3045543646.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 6463455403 - 2⁹ = 6463454891 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6463455407) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 190101613 + ... + 190101646.

It is an arithmetic number, because the mean of its divisors is an integer number (1710914670).

Almost surely, 2^6463455403 is an apocalyptic number.

6463455403 is a deficient number, since it is larger than the sum of its proper divisors (380203277).

6463455403 is a wasteful number, since it uses less digits than its factorization.

6463455403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 380203276.

The product of its (nonzero) digits is 518400, while the sum is 40.

The square root of 6463455403 is about 80395.6180584489. The cubic root of 6463455403 is about 1862.7514874319.

The spelling of 6463455403 in words is "six billion, four hundred sixty-three million, four hundred fifty-five thousand, four hundred three".