5481649986 has 48 divisors (see below), whose sum is σ = 11620195200. Its totient is φ = 1723641696.

The previous prime is 5481649969. The next prime is 5481650029. The reversal of 5481649986 is 6899461845.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 512380 + ... + 522968.

It is an arithmetic number, because the mean of its divisors is an integer number (242087400).

Almost surely, 2^5481649986 is an apocalyptic number.

5481649986 is an abundant number, since it is smaller than the sum of its proper divisors (6138545214).

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

5481649986 is a wasteful number, since it uses less digits than its factorization.

5481649986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10871 (or 10852 counting only the distinct ones).

The product of its digits is 14929920, while the sum is 60.

The square root of 5481649986 is about 74038.1657390295. The cubic root of 5481649986 is about 1763.2088912800.

The spelling of 5481649986 in words is "five billion, four hundred eighty-one million, six hundred forty-nine thousand, nine hundred eighty-six".