6501510465 has 16 divisors (see below), whose sum is σ = 10497854400. Its totient is φ = 3435659712.

The previous prime is 6501510461. The next prime is 6501510503. The reversal of 6501510465 is 5640151056.

It is not a de Polignac number, because 6501510465 - 2² = 6501510461 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (6501510461) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 1986595 + ... + 1989864.

It is an arithmetic number, because the mean of its divisors is an integer number (656115900).

Almost surely, 2^6501510465 is an apocalyptic number.

It is an amenable number.

6501510465 is a deficient number, since it is larger than the sum of its proper divisors (3996343935).

6501510465 is a wasteful number, since it uses less digits than its factorization.

6501510465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3976576.

The product of its (nonzero) digits is 18000, while the sum is 33.

The square root of 6501510465 is about 80631.9444451143. The cubic root of 6501510465 is about 1866.4001268911.

The spelling of 6501510465 in words is "six billion, five hundred one million, five hundred ten thousand, four hundred sixty-five".