6495277813 has 32 divisors (see below), whose sum is σ = 7305120000. Its totient is φ = 5748019200.

The previous prime is 6495277807. The next prime is 6495277849. The reversal of 6495277813 is 3187725946.

It is a cyclic number.

It is not a de Polignac number, because 6495277813 - 2¹⁷ = 6495146741 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6495277013) 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, 4056213 + ... + 4057813.

It is an arithmetic number, because the mean of its divisors is an integer number (228285000).

Almost surely, 2^6495277813 is an apocalyptic number.

It is an amenable number.

6495277813 is a deficient number, since it is larger than the sum of its proper divisors (809842187).

6495277813 is a wasteful number, since it uses less digits than its factorization.

6495277813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1885.

The product of its digits is 2540160, while the sum is 52.

The square root of 6495277813 is about 80593.2864015360. The cubic root of 6495277813 is about 1865.8035300582.

The spelling of 6495277813 in words is "six billion, four hundred ninety-five million, two hundred seventy-seven thousand, eight hundred thirteen".