4549486986 has 120 divisors (see below), whose sum is σ = 11693560032. Its totient is φ = 1318561200.

The previous prime is 4549486961. The next prime is 4549486987. The reversal of 4549486986 is 6896849454.

4549486986 is a `hidden beast` number, since 4 + 5 + 494 + 8 + 69 + 86 = 666.

It is not an unprimeable number, because it can be changed into a prime (4549486987) by changing a digit.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 445801 + ... + 455891.

Almost surely, 2^4549486986 is an apocalyptic number.

4549486986 is a gapful number since it is divisible by the number (46) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 4549486986, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5846780016).

4549486986 is an abundant number, since it is smaller than the sum of its proper divisors (7144073046).

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

4549486986 is a wasteful number, since it uses less digits than its factorization.

4549486986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10150 (or 10130 counting only the distinct ones).

The product of its digits is 59719680, while the sum is 63.

The square root of 4549486986 is about 67449.8849961955. The cubic root of 4549486986 is about 1656.9935161403.

The spelling of 4549486986 in words is "four billion, five hundred forty-nine million, four hundred eighty-six thousand, nine hundred eighty-six".