6512421234 has 32 divisors (see below), whose sum is σ = 15044740416. Its totient is φ = 1857374720.

The previous prime is 6512421233. The next prime is 6512421241. The reversal of 6512421234 is 4321242156.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (6512421233) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2901027 + ... + 2903270.

It is an arithmetic number, because the mean of its divisors is an integer number (470148138).

Almost surely, 2^6512421234 is an apocalyptic number.

6512421234 is an abundant number, since it is smaller than the sum of its proper divisors (8532319182).

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

6512421234 is a wasteful number, since it uses less digits than its factorization.

6512421234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5804330.

The product of its digits is 11520, while the sum is 30.

The square root of 6512421234 is about 80699.5739393957. The cubic root of 6512421234 is about 1867.4436013211.

The spelling of 6512421234 in words is "six billion, five hundred twelve million, four hundred twenty-one thousand, two hundred thirty-four".