6503882816 has 14 divisors (see below), whose sum is σ = 12906142590. Its totient is φ = 3251941376.

The previous prime is 6503882813. The next prime is 6503882843. The reversal of 6503882816 is 6182883056.

It can be written as a sum of positive squares in only one way, i.e., 3933798400 + 2570084416 = 62720^2 + 50696^2 .

It is not an unprimeable number, because it can be changed into a prime (6503882813) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50811521 + ... + 50811648.

Almost surely, 2^6503882816 is an apocalyptic number.

It is an amenable number.

6503882816 is a deficient number, since it is larger than the sum of its proper divisors (6402259774).

6503882816 is a wasteful number, since it uses less digits than its factorization.

6503882816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101623181 (or 101623171 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 47.

The square root of 6503882816 is about 80646.6540905449. The cubic root of 6503882816 is about 1866.6271109532.

The spelling of 6503882816 in words is "six billion, five hundred three million, eight hundred eighty-two thousand, eight hundred sixteen".