674883689 has 2 divisors, whose sum is σ = 674883690. Its totient is φ = 674883688.

The previous prime is 674883647. The next prime is 674883691. The reversal of 674883689 is 986388476.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 603193600 + 71690089 = 24560^2 + 8467^2 .

It is a cyclic number.

It is not a de Polignac number, because 674883689 - 2¹⁶ = 674818153 is a prime.

Together with 674883691, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (674883619) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 337441844 + 337441845.

It is an arithmetic number, because the mean of its divisors is an integer number (337441845).

Almost surely, 2^674883689 is an apocalyptic number.

It is an amenable number.

674883689 is a deficient number, since it is larger than the sum of its proper divisors (1).

674883689 is an equidigital number, since it uses as much as digits as its factorization.

674883689 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13934592, while the sum is 59.

The square root of 674883689 is about 25978.5236108598. The cubic root of 674883689 is about 877.1549340619.

The spelling of 674883689 in words is "six hundred seventy-four million, eight hundred eighty-three thousand, six hundred eighty-nine".