4543014021 has 16 divisors (see below), whose sum is σ = 7455202944. Its totient is φ = 2396314944.

The previous prime is 4543014013. The next prime is 4543014043. The reversal of 4543014021 is 1204103454.

It is not a de Polignac number, because 4543014021 - 2³ = 4543014013 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 4543013982 and 4543014000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4543014221) 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, 8320266 + ... + 8320811.

It is an arithmetic number, because the mean of its divisors is an integer number (465950184).

Almost surely, 2^4543014021 is an apocalyptic number.

It is an amenable number.

4543014021 is a deficient number, since it is larger than the sum of its proper divisors (2912188923).

4543014021 is a wasteful number, since it uses less digits than its factorization.

4543014021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16641100.

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 4543014021 is about 67401.8844024409. The cubic root of 4543014021 is about 1656.2072918267.

Adding to 4543014021 its reverse (1204103454), we get a palindrome (5747117475).

The spelling of 4543014021 in words is "four billion, five hundred forty-three million, fourteen thousand, twenty-one".