609558318667 has 2 divisors, whose sum is σ = 609558318668. Its totient is φ = 609558318666.

The previous prime is 609558318647. The next prime is 609558318737. The reversal of 609558318667 is 766813855906.

609558318667 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 609558318667 - 2¹⁵ = 609558285899 is a prime.

It is a super-2 number, since 2×609558318667² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 609558318599 and 609558318608.

It is not a weakly prime, because it can be changed into another prime (609558318617) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 304779159333 + 304779159334.

It is an arithmetic number, because the mean of its divisors is an integer number (304779159334).

Almost surely, 2^609558318667 is an apocalyptic number.

609558318667 is a deficient number, since it is larger than the sum of its proper divisors (1).

609558318667 is an equidigital number, since it uses as much as digits as its factorization.

609558318667 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 65318400, while the sum is 64.

The spelling of 609558318667 in words is "six hundred nine billion, five hundred fifty-eight million, three hundred eighteen thousand, six hundred sixty-seven".