2664061913 has 2 divisors, whose sum is σ = 2664061914. Its totient is φ = 2664061912.

The previous prime is 2664061903. The next prime is 2664061921. The reversal of 2664061913 is 3191604662.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2124103744 + 539958169 = 46088^2 + 23237^2 .

It is a cyclic number.

It is not a de Polignac number, because 2664061913 - 2¹⁴ = 2664045529 is a prime.

It is not a weakly prime, because it can be changed into another prime (2664061903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1332030956 + 1332030957.

It is an arithmetic number, because the mean of its divisors is an integer number (1332030957).

Almost surely, 2^2664061913 is an apocalyptic number.

It is an amenable number.

2664061913 is a deficient number, since it is larger than the sum of its proper divisors (1).

2664061913 is an equidigital number, since it uses as much as digits as its factorization.

2664061913 is an odious number, because the sum of its binary digits is odd.

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

The square root of 2664061913 is about 51614.5513687758. The cubic root of 2664061913 is about 1386.2708927824.

The spelling of 2664061913 in words is "two billion, six hundred sixty-four million, sixty-one thousand, nine hundred thirteen".