6459240212 has 12 divisors (see below), whose sum is σ = 11304354516. Its totient is φ = 3229424640.

The previous prime is 6459240211. The next prime is 6459240241. The reversal of 6459240212 is 2120429546.

It can be written as a sum of positive squares in 2 ways, for example, as 3704669956 + 2754570256 = 60866^2 + 52484^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6459240211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45908 + ... + 122580.

It is an arithmetic number, because the mean of its divisors is an integer number (942029543).

Almost surely, 2^6459240212 is an apocalyptic number.

It is an amenable number.

6459240212 is a deficient number, since it is larger than the sum of its proper divisors (4845114304).

6459240212 is a wasteful number, since it uses less digits than its factorization.

6459240212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97738 (or 97736 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 35.

The square root of 6459240212 is about 80369.3984797696. The cubic root of 6459240212 is about 1862.3464635803.

Adding to 6459240212 its reverse (2120429546), we get a palindrome (8579669758).

The spelling of 6459240212 in words is "six billion, four hundred fifty-nine million, two hundred forty thousand, two hundred twelve".