4542822561 has 16 divisors (see below), whose sum is σ = 6187693248. Its totient is φ = 2963755200.

The previous prime is 4542822547. The next prime is 4542822601. The reversal of 4542822561 is 1652282454.

It is not a de Polignac number, because 4542822561 - 2³⁰ = 3469080737 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4542822511) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26955 + ... + 99056.

It is an arithmetic number, because the mean of its divisors is an integer number (386730828).

Almost surely, 2^4542822561 is an apocalyptic number.

It is an amenable number.

4542822561 is a deficient number, since it is larger than the sum of its proper divisors (1644870687).

4542822561 is a wasteful number, since it uses less digits than its factorization.

4542822561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126272.

The product of its digits is 153600, while the sum is 39.

The square root of 4542822561 is about 67400.4641007760. The cubic root of 4542822561 is about 1656.1840251950.

The spelling of 4542822561 in words is "four billion, five hundred forty-two million, eight hundred twenty-two thousand, five hundred sixty-one".