6434839531212 has 24 divisors (see below), whose sum is σ = 15129241038912. Its totient is φ = 2128572872400.

The previous prime is 6434839531207. The next prime is 6434839531261. The reversal of 6434839531212 is 2121359384346.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2046703114 + ... + 2046706257.

It is an arithmetic number, because the mean of its divisors is an integer number (630385043288).

Almost surely, 2^{6434839531212} is an apocalyptic number.

It is an amenable number.

6434839531212 is an abundant number, since it is smaller than the sum of its proper divisors (8694401507700).

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

6434839531212 is a wasteful number, since it uses less digits than its factorization.

6434839531212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4093409509 (or 4093409507 counting only the distinct ones).

The product of its digits is 3732480, while the sum is 51.

The spelling of 6434839531212 in words is "six trillion, four hundred thirty-four billion, eight hundred thirty-nine million, five hundred thirty-one thousand, two hundred twelve".