266342424613 has 2 divisors, whose sum is σ = 266342424614. Its totient is φ = 266342424612.

The previous prime is 266342424571. The next prime is 266342424643. The reversal of 266342424613 is 316424243662.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 263828104164 + 2514320449 = 513642^2 + 50143^2 .

It is a cyclic number.

It is not a de Polignac number, because 266342424613 - 2¹³ = 266342416421 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 266342424613.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (266342424643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 133171212306 + 133171212307.

It is an arithmetic number, because the mean of its divisors is an integer number (133171212307).

Almost surely, 2^266342424613 is an apocalyptic number.

It is an amenable number.

266342424613 is a deficient number, since it is larger than the sum of its proper divisors (1).

266342424613 is an equidigital number, since it uses as much as digits as its factorization.

266342424613 is an evil number, because the sum of its binary digits is even.

The product of its digits is 995328, while the sum is 43.

The spelling of 266342424613 in words is "two hundred sixty-six billion, three hundred forty-two million, four hundred twenty-four thousand, six hundred thirteen".