266092183348639 has 2 divisors, whose sum is σ = 266092183348640. Its totient is φ = 266092183348638.

The previous prime is 266092183348583. The next prime is 266092183348681. The reversal of 266092183348639 is 936843381290662.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 266092183348639 - 2¹³ = 266092183340447 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (266092183348699) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 133046091674319 + 133046091674320.

It is an arithmetic number, because the mean of its divisors is an integer number (133046091674320).

Almost surely, 2^{266092183348639} is an apocalyptic number.

266092183348639 is a deficient number, since it is larger than the sum of its proper divisors (1).

266092183348639 is an equidigital number, since it uses as much as digits as its factorization.

266092183348639 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 483729408, while the sum is 70.

The spelling of 266092183348639 in words is "two hundred sixty-six trillion, ninety-two billion, one hundred eighty-three million, three hundred forty-eight thousand, six hundred thirty-nine".