6512456874 has 128 divisors (see below), whose sum is σ = 16995041280. Its totient is φ = 1614297600.

The previous prime is 6512456861. The next prime is 6512456879. The reversal of 6512456874 is 4786542156.

It is not an unprimeable number, because it can be changed into a prime (6512456879) 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 63 ways as a sum of consecutive naturals, for example, 1042392 + ... + 1048620.

It is an arithmetic number, because the mean of its divisors is an integer number (132773760).

Almost surely, 2^6512456874 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6512456874, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8497520640).

6512456874 is an abundant number, since it is smaller than the sum of its proper divisors (10482584406).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6512456874 is a wasteful number, since it uses less digits than its factorization.

6512456874 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6356.

The product of its digits is 1612800, while the sum is 48.

The square root of 6512456874 is about 80699.7947581033. The cubic root of 6512456874 is about 1867.4470079173.

The spelling of 6512456874 in words is "six billion, five hundred twelve million, four hundred fifty-six thousand, eight hundred seventy-four".