2666113049 has 2 divisors, whose sum is σ = 2666113050. Its totient is φ = 2666113048.

The previous prime is 2666113019. The next prime is 2666113067. The reversal of 2666113049 is 9403116662.

2666113049 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2476555225 + 189557824 = 49765^2 + 13768^2 .

It is a cyclic number.

It is not a de Polignac number, because 2666113049 - 2¹⁶ = 2666047513 is a prime.

It is not a weakly prime, because it can be changed into another prime (2666113019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1333056524 + 1333056525.

It is an arithmetic number, because the mean of its divisors is an integer number (1333056525).

Almost surely, 2^2666113049 is an apocalyptic number.

It is an amenable number.

2666113049 is a deficient number, since it is larger than the sum of its proper divisors (1).

2666113049 is an equidigital number, since it uses as much as digits as its factorization.

2666113049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 46656, while the sum is 38.

The square root of 2666113049 is about 51634.4172911828. The cubic root of 2666113049 is about 1386.6265777968.

The spelling of 2666113049 in words is "two billion, six hundred sixty-six million, one hundred thirteen thousand, forty-nine".