674764534489 has 8 divisors (see below), whose sum is σ = 679107646280. Its totient is φ = 670421995776.

The previous prime is 674764534471. The next prime is 674764534537. The reversal of 674764534489 is 984435467476.

It can be written as a sum of positive squares in 4 ways, for example, as 1270209600 + 673494324889 = 35640^2 + 820667^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 674764534489 - 2⁹ = 674764533977 is a prime.

It is a super-2 number, since 2×674764534489² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (674764534439) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2359327 + ... + 2629819.

It is an arithmetic number, because the mean of its divisors is an integer number (84888455785).

Almost surely, 2^674764534489 is an apocalyptic number.

It is an amenable number.

674764534489 is a deficient number, since it is larger than the sum of its proper divisors (4343111791).

674764534489 is a wasteful number, since it uses less digits than its factorization.

674764534489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 286539.

The product of its digits is 487710720, while the sum is 67.

The spelling of 674764534489 in words is "six hundred seventy-four billion, seven hundred sixty-four million, five hundred thirty-four thousand, four hundred eighty-nine".