2643315012 has 48 divisors (see below), whose sum is σ = 7380199680. Its totient is φ = 813327264.

The previous prime is 2643315007. The next prime is 2643315047. The reversal of 2643315012 is 2105133462.

2643315012 is a `hidden beast` number, since 2 + 643 + 3 + 1 + 5 + 0 + 12 = 666.

It is a super-2 number, since 2×2643315012² = 13974228505329120288, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 939948 + ... + 942755.

It is an arithmetic number, because the mean of its divisors is an integer number (153754160).

Almost surely, 2^2643315012 is an apocalyptic number.

It is an amenable number.

2643315012 is an abundant number, since it is smaller than the sum of its proper divisors (4736884668).

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

2643315012 is a wasteful number, since it uses less digits than its factorization.

2643315012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1882729 (or 1882721 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 2643315012 is about 51413.1793609382. The cubic root of 2643315012 is about 1382.6628923189.

Adding to 2643315012 its reverse (2105133462), we get a palindrome (4748448474).

The spelling of 2643315012 in words is "two billion, six hundred forty-three million, three hundred fifteen thousand, twelve".