2663881013 has 2 divisors, whose sum is σ = 2663881014. Its totient is φ = 2663881012.

The previous prime is 2663881001. The next prime is 2663881039. The reversal of 2663881013 is 3101883662.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2660186929 + 3694084 = 51577^2 + 1922^2 .

It is a cyclic number.

It is not a de Polignac number, because 2663881013 - 2¹⁸ = 2663618869 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2663881313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1331940506 + 1331940507.

It is an arithmetic number, because the mean of its divisors is an integer number (1331940507).

Almost surely, 2^2663881013 is an apocalyptic number.

It is an amenable number.

2663881013 is a deficient number, since it is larger than the sum of its proper divisors (1).

2663881013 is an equidigital number, since it uses as much as digits as its factorization.

2663881013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 41472, while the sum is 38.

The square root of 2663881013 is about 51612.7989262353. The cubic root of 2663881013 is about 1386.2395143724.

The spelling of 2663881013 in words is "two billion, six hundred sixty-three million, eight hundred eighty-one thousand, thirteen".