2666264259727 has 2 divisors, whose sum is σ = 2666264259728. Its totient is φ = 2666264259726.

The previous prime is 2666264259707. The next prime is 2666264259787. The reversal of 2666264259727 is 7279524626662.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2666264259727 - 2³⁹ = 2116508445839 is a prime.

It is a super-2 number, since 2×2666264259727² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2666264259707) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1333132129863 + 1333132129864.

It is an arithmetic number, because the mean of its divisors is an integer number (1333132129864).

Almost surely, 2^{2666264259727} is an apocalyptic number.

2666264259727 is a deficient number, since it is larger than the sum of its proper divisors (1).

2666264259727 is an equidigital number, since it uses as much as digits as its factorization.

2666264259727 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 182891520, while the sum is 64.

The spelling of 2666264259727 in words is "two trillion, six hundred sixty-six billion, two hundred sixty-four million, two hundred fifty-nine thousand, seven hundred twenty-seven".