489578437674 has 24 divisors (see below), whose sum is σ = 1061041908420. Its totient is φ = 163148408448.

The previous prime is 489578437661. The next prime is 489578437703. The reversal of 489578437674 is 476734875984.

489578437674 is a `hidden beast` number, since 4 + 8 + 9 + 578 + 43 + 7 + 6 + 7 + 4 = 666.

489578437674 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 489150568449 + 427869225 = 699393^2 + 20685^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3632319 + ... + 3764690.

Almost surely, 2^489578437674 is an apocalyptic number.

489578437674 is an abundant number, since it is smaller than the sum of its proper divisors (571463470746).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

489578437674 is a wasteful number, since it uses less digits than its factorization.

489578437674 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7400694 (or 7400691 counting only the distinct ones).

The product of its digits is 1137991680, while the sum is 72.

The spelling of 489578437674 in words is "four hundred eighty-nine billion, five hundred seventy-eight million, four hundred thirty-seven thousand, six hundred seventy-four".