2643040413 has 12 divisors (see below), whose sum is σ = 4111396380. Its totient is φ = 1626486336.

The previous prime is 2643040403. The next prime is 2643040427. The reversal of 2643040413 is 3140403462.

2643040413 is a `hidden beast` number, since 2 + 643 + 0 + 4 + 0 + 4 + 13 = 666.

2643040413 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 257987844 + 2385052569 = 16062^2 + 48837^2 .

It is not a de Polignac number, because 2643040413 - 2⁹ = 2643039901 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2643040403) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11294928 + ... + 11295161.

It is an arithmetic number, because the mean of its divisors is an integer number (342616365).

Almost surely, 2^2643040413 is an apocalyptic number.

It is an amenable number.

2643040413 is a deficient number, since it is larger than the sum of its proper divisors (1468355967).

2643040413 is a wasteful number, since it uses less digits than its factorization.

2643040413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22590108 (or 22590105 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

The square root of 2643040413 is about 51410.5087798205. The cubic root of 2643040413 is about 1382.6150116596.

Adding to 2643040413 its reverse (3140403462), we get a palindrome (5783443875).

The spelling of 2643040413 in words is "two billion, six hundred forty-three million, forty thousand, four hundred thirteen".