2666264260799 has 2 divisors, whose sum is σ = 2666264260800. Its totient is φ = 2666264260798.

The previous prime is 2666264260741. The next prime is 2666264260811. The reversal of 2666264260799 is 9970624626662.

2666264260799 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2666264260799 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2666264268799) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1333132130399 + 1333132130400.

It is an arithmetic number, because the mean of its divisors is an integer number (1333132130400).

Almost surely, 2^{2666264260799} is an apocalyptic number.

2666264260799 is a deficient number, since it is larger than the sum of its proper divisors (1).

2666264260799 is an equidigital number, since it uses as much as digits as its factorization.

2666264260799 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 141087744, while the sum is 65.

The spelling of 2666264260799 in words is "two trillion, six hundred sixty-six billion, two hundred sixty-four million, two hundred sixty thousand, seven hundred ninety-nine".