6489608085954 has 144 divisors (see below), whose sum is σ = 16924907244960. Its totient is φ = 1790703573120.

The previous prime is 6489608085953. The next prime is 6489608085979. The reversal of 6489608085954 is 4595808069846.

6489608085954 is a `hidden beast` number, since 6 + 4 + 8 + 9 + 608 + 0 + 8 + 5 + 9 + 5 + 4 = 666.

It is not an unprimeable number, because it can be changed into a prime (6489608085953) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 2414109 + ... + 4336719.

It is an arithmetic number, because the mean of its divisors is an integer number (117534078090).

Almost surely, 2^{6489608085954} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6489608085954, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8462453622480).

6489608085954 is an abundant number, since it is smaller than the sum of its proper divisors (10435299159006).

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

6489608085954 is a wasteful number, since it uses less digits than its factorization.

6489608085954 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1922765 (or 1922755 counting only the distinct ones).

The product of its (nonzero) digits is 597196800, while the sum is 72.

The spelling of 6489608085954 in words is "six trillion, four hundred eighty-nine billion, six hundred eight million, eighty-five thousand, nine hundred fifty-four".