674263616410589 has 2 divisors, whose sum is σ = 674263616410590. Its totient is φ = 674263616410588.

The previous prime is 674263616410567. The next prime is 674263616410651. The reversal of 674263616410589 is 985014616362476.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 674224587247225 + 39029163364 = 25965835^2 + 197558^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-674263616410589 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (674263616416589) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 337131808205294 + 337131808205295.

It is an arithmetic number, because the mean of its divisors is an integer number (337131808205295).

It is a 1-persistent number, because it is pandigital, but 2⋅674263616410589 = 1348527232821178 is not.

Almost surely, 2^{674263616410589} is an apocalyptic number.

It is an amenable number.

674263616410589 is a deficient number, since it is larger than the sum of its proper divisors (1).

674263616410589 is an equidigital number, since it uses as much as digits as its factorization.

674263616410589 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 313528320, while the sum is 68.

The spelling of 674263616410589 in words is "six hundred seventy-four trillion, two hundred sixty-three billion, six hundred sixteen million, four hundred ten thousand, five hundred eighty-nine".