6450815996 has 6 divisors (see below), whose sum is σ = 11288928000. Its totient is φ = 3225407996.

The previous prime is 6450815933. The next prime is 6450816007. The reversal of 6450815996 is 6995180546.

It is a happy number.

It is a super-2 number, since 2×6450815996² = 83226054028498944032, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 806351996 + ... + 806352003.

It is an arithmetic number, because the mean of its divisors is an integer number (1881488000).

Almost surely, 2^6450815996 is an apocalyptic number.

It is an amenable number.

6450815996 is a deficient number, since it is larger than the sum of its proper divisors (4838112004).

6450815996 is a wasteful number, since it uses less digits than its factorization.

6450815996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1612704003 (or 1612704001 counting only the distinct ones).

The product of its (nonzero) digits is 2332800, while the sum is 53.

The square root of 6450815996 is about 80316.9720295779. The cubic root of 6450815996 is about 1861.5364800623.

The spelling of 6450815996 in words is "six billion, four hundred fifty million, eight hundred fifteen thousand, nine hundred ninety-six".