6519213212 has 12 divisors (see below), whose sum is σ = 11412974496. Its totient is φ = 3258363360.

The previous prime is 6519213209. The next prime is 6519213223. The reversal of 6519213212 is 2123129156.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 298964 + ... + 320027.

It is an arithmetic number, because the mean of its divisors is an integer number (951081208).

Almost surely, 2^6519213212 is an apocalyptic number.

It is an amenable number.

6519213212 is a deficient number, since it is larger than the sum of its proper divisors (4893761284).

6519213212 is a wasteful number, since it uses less digits than its factorization.

6519213212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 621628 (or 621626 counting only the distinct ones).

The product of its digits is 6480, while the sum is 32.

The square root of 6519213212 is about 80741.6448432901. The cubic root of 6519213212 is about 1868.0925780271.

The spelling of 6519213212 in words is "six billion, five hundred nineteen million, two hundred thirteen thousand, two hundred twelve".