6497464515 has 32 divisors (see below), whose sum is σ = 11140125696. Its totient is φ = 3222167040.

The previous prime is 6497464507. The next prime is 6497464517. The reversal of 6497464515 is 5154647946.

It is a happy number.

6497464515 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 6497464515 - 2³ = 6497464507 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is not an unprimeable number, because it can be changed into a prime (6497464517) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 132331 + ... + 174660.

It is an arithmetic number, because the mean of its divisors is an integer number (348128928).

Almost surely, 2^6497464515 is an apocalyptic number.

6497464515 is a deficient number, since it is larger than the sum of its proper divisors (4642661181).

6497464515 is a wasteful number, since it uses less digits than its factorization.

6497464515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 307099.

The product of its digits is 3628800, while the sum is 51.

The square root of 6497464515 is about 80606.8515388115. The cubic root of 6497464515 is about 1866.0128872077.

The spelling of 6497464515 in words is "six billion, four hundred ninety-seven million, four hundred sixty-four thousand, five hundred fifteen".