6495012863 has 4 divisors (see below), whose sum is σ = 6499717368. Its totient is φ = 6490308360.

The previous prime is 6495012851. The next prime is 6495012899. The reversal of 6495012863 is 3682105946.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3682105946 = 2 ⋅1841052973.

It is a cyclic number.

It is not a de Polignac number, because 6495012863 - 2⁴ = 6495012847 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6495002863) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2350181 + ... + 2352942.

It is an arithmetic number, because the mean of its divisors is an integer number (1624929342).

Almost surely, 2^6495012863 is an apocalyptic number.

6495012863 is a deficient number, since it is larger than the sum of its proper divisors (4704505).

6495012863 is a wasteful number, since it uses less digits than its factorization.

6495012863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4704504.

The product of its (nonzero) digits is 311040, while the sum is 44.

The square root of 6495012863 is about 80591.6426374348. The cubic root of 6495012863 is about 1865.7781602752.

The spelling of 6495012863 in words is "six billion, four hundred ninety-five million, twelve thousand, eight hundred sixty-three".