2643034013 has 4 divisors (see below), whose sum is σ = 2798506620. Its totient is φ = 2487561408.

The previous prime is 2643033997. The next prime is 2643034021. The reversal of 2643034013 is 3104303462.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1829529529 + 813504484 = 42773^2 + 28522^2 .

It is a cyclic number.

It is not a de Polignac number, because 2643034013 - 2⁴ = 2643033997 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2643034073) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 77736278 + ... + 77736311.

It is an arithmetic number, because the mean of its divisors is an integer number (699626655).

Almost surely, 2^2643034013 is an apocalyptic number.

It is an amenable number.

2643034013 is a deficient number, since it is larger than the sum of its proper divisors (155472607).

2643034013 is a wasteful number, since it uses less digits than its factorization.

2643034013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155472606.

The product of its (nonzero) digits is 5184, while the sum is 26.

The square root of 2643034013 is about 51410.4465356993. The cubic root of 2643034013 is about 1382.6138956793.

Adding to 2643034013 its reverse (3104303462), we get a palindrome (5747337475).

The spelling of 2643034013 in words is "two billion, six hundred forty-three million, thirty-four thousand, thirteen".