605211640660267 has 2 divisors, whose sum is σ = 605211640660268. Its totient is φ = 605211640660266.

The previous prime is 605211640660213. The next prime is 605211640660271. The reversal of 605211640660267 is 762066046112506.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 605211640660267 - 2²⁷ = 605211506442539 is a prime.

It is a super-2 number, since 2×605211640660267² (a number of 30 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (605211640670267) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 302605820330133 + 302605820330134.

It is an arithmetic number, because the mean of its divisors is an integer number (302605820330134).

Almost surely, 2^{605211640660267} is an apocalyptic number.

605211640660267 is a deficient number, since it is larger than the sum of its proper divisors (1).

605211640660267 is an equidigital number, since it uses as much as digits as its factorization.

605211640660267 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4354560, while the sum is 52.

The spelling of 605211640660267 in words is "six hundred five trillion, two hundred eleven billion, six hundred forty million, six hundred sixty thousand, two hundred sixty-seven".