2641881013 has 2 divisors, whose sum is σ = 2641881014. Its totient is φ = 2641881012.

The previous prime is 2641881001. The next prime is 2641881029. The reversal of 2641881013 is 3101881462.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2592642724 + 49238289 = 50918^2 + 7017^2 .

It is a cyclic number.

It is not a de Polignac number, because 2641881013 - 2⁵ = 2641880981 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2641881013.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2641881113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1320940506 + 1320940507.

It is an arithmetic number, because the mean of its divisors is an integer number (1320940507).

Almost surely, 2^2641881013 is an apocalyptic number.

It is an amenable number.

2641881013 is a deficient number, since it is larger than the sum of its proper divisors (1).

2641881013 is an equidigital number, since it uses as much as digits as its factorization.

2641881013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9216, while the sum is 34.

The square root of 2641881013 is about 51399.2316382259. The cubic root of 2641881013 is about 1382.4128154458.

The spelling of 2641881013 in words is "two billion, six hundred forty-one million, eight hundred eighty-one thousand, thirteen".