674259969789 has 72 divisors (see below), whose sum is σ = 1180824046272. Its totient is φ = 363119293440.

The previous prime is 674259969787. The next prime is 674259969809. The reversal of 674259969789 is 987969952476.

674259969789 is a `hidden beast` number, since 67 + 425 + 9 + 9 + 69 + 78 + 9 = 666.

It is not a de Polignac number, because 674259969789 - 2¹ = 674259969787 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (674259969787) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 4312594 + ... + 4466204.

It is an arithmetic number, because the mean of its divisors is an integer number (16400333976).

Almost surely, 2^674259969789 is an apocalyptic number.

It is an amenable number.

674259969789 is a deficient number, since it is larger than the sum of its proper divisors (506564076483).

674259969789 is a wasteful number, since it uses less digits than its factorization.

674259969789 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153855 (or 153833 counting only the distinct ones).

The product of its digits is 3703553280, while the sum is 81.

The spelling of 674259969789 in words is "six hundred seventy-four billion, two hundred fifty-nine million, nine hundred sixty-nine thousand, seven hundred eighty-nine".