6501286972 has 12 divisors (see below), whose sum is σ = 11466837760. Its totient is φ = 3225047616.

The previous prime is 6501286963. The next prime is 6501286991. The reversal of 6501286972 is 2796821056.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6398397 + ... + 6399412.

Almost surely, 2^6501286972 is an apocalyptic number.

It is an amenable number.

6501286972 is a deficient number, since it is larger than the sum of its proper divisors (4965550788).

6501286972 is a wasteful number, since it uses less digits than its factorization.

6501286972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12797940 (or 12797938 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 46.

The square root of 6501286972 is about 80630.5585494730. The cubic root of 6501286972 is about 1866.3787404689.

The spelling of 6501286972 in words is "six billion, five hundred one million, two hundred eighty-six thousand, nine hundred seventy-two".