605627438231 has 2 divisors, whose sum is σ = 605627438232. Its totient is φ = 605627438230.

The previous prime is 605627438203. The next prime is 605627438237. The reversal of 605627438231 is 132834726506.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-605627438231 is a prime.

It is a super-2 number, since 2×605627438231² (a number of 24 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (605627438237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 302813719115 + 302813719116.

It is an arithmetic number, because the mean of its divisors is an integer number (302813719116).

Almost surely, 2^605627438231 is an apocalyptic number.

605627438231 is a deficient number, since it is larger than the sum of its proper divisors (1).

605627438231 is an equidigital number, since it uses as much as digits as its factorization.

605627438231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1451520, while the sum is 47.

The spelling of 605627438231 in words is "six hundred five billion, six hundred twenty-seven million, four hundred thirty-eight thousand, two hundred thirty-one".