2663438613 has 16 divisors (see below), whose sum is σ = 3876027456. Its totient is φ = 1613399040.

The previous prime is 2663438587. The next prime is 2663438647. The reversal of 2663438613 is 3168343662.

It is not a de Polignac number, because 2663438613 - 2⁹ = 2663438101 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2663438693) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50631 + ... + 88827.

It is an arithmetic number, because the mean of its divisors is an integer number (242251716).

Almost surely, 2^2663438613 is an apocalyptic number.

It is an amenable number.

2663438613 is a deficient number, since it is larger than the sum of its proper divisors (1212588843).

2663438613 is a wasteful number, since it uses less digits than its factorization.

2663438613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40324.

The product of its digits is 373248, while the sum is 42.

The square root of 2663438613 is about 51608.5129896222. The cubic root of 2663438613 is about 1386.1627709154.

The spelling of 2663438613 in words is "two billion, six hundred sixty-three million, four hundred thirty-eight thousand, six hundred thirteen".