6649462512 has 120 divisors (see below), whose sum is σ = 23201193600. Its totient is φ = 1727130240.

The previous prime is 6649462499. The next prime is 6649462517. The reversal of 6649462512 is 2152649466.

6649462512 is a `hidden beast` number, since 6 + 6 + 4 + 9 + 4 + 625 + 12 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6649462517) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 288762 + ... + 310937.

It is an arithmetic number, because the mean of its divisors is an integer number (193343280).

Almost surely, 2^6649462512 is an apocalyptic number.

It is an amenable number.

6649462512 is an abundant number, since it is smaller than the sum of its proper divisors (16551731088).

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

6649462512 is a wasteful number, since it uses less digits than its factorization.

6649462512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 599731 (or 599722 counting only the distinct ones).

The product of its digits is 622080, while the sum is 45.

The square root of 6649462512 is about 81544.2365345338. The cubic root of 6649462512 is about 1880.4516901702.

The spelling of 6649462512 in words is "six billion, six hundred forty-nine million, four hundred sixty-two thousand, five hundred twelve".