6549931212 has 24 divisors (see below), whose sum is σ = 16672552512. Its totient is φ = 1984827600.

The previous prime is 6549931169. The next prime is 6549931217. The reversal of 6549931212 is 2121399456.

It is not an unprimeable number, because it can be changed into a prime (6549931217) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24810214 + ... + 24810477.

It is an arithmetic number, because the mean of its divisors is an integer number (694689688).

Almost surely, 2^6549931212 is an apocalyptic number.

It is an amenable number.

6549931212 is an abundant number, since it is smaller than the sum of its proper divisors (10122621300).

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

6549931212 is a wasteful number, since it uses less digits than its factorization.

6549931212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49620709 (or 49620707 counting only the distinct ones).

The product of its digits is 116640, while the sum is 42.

The square root of 6549931212 is about 80931.6453063942. The cubic root of 6549931212 is about 1871.0220815048.

The spelling of 6549931212 in words is "six billion, five hundred forty-nine million, nine hundred thirty-one thousand, two hundred twelve".