4542649984 has 16 divisors (see below), whose sum is σ = 9049810770. Its totient is φ = 2271324928.

The previous prime is 4542649933. The next prime is 4542650039. The reversal of 4542649984 is 4899462454.

It can be written as a sum of positive squares in only one way, i.e., 4506168384 + 36481600 = 67128^2 + 6040^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is a Smith number, since the sum of its digits (55) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17744599 + ... + 17744854.

Almost surely, 2^4542649984 is an apocalyptic number.

It is an amenable number.

4542649984 is a deficient number, since it is larger than the sum of its proper divisors (4507160786).

4542649984 is an equidigital number, since it uses as much as digits as its factorization.

4542649984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35489467 (or 35489455 counting only the distinct ones).

The product of its digits is 9953280, while the sum is 55.

The square root of 4542649984 is about 67399.1838526254. The cubic root of 4542649984 is about 1656.1630527059.

The spelling of 4542649984 in words is "four billion, five hundred forty-two million, six hundred forty-nine thousand, nine hundred eighty-four".