4543414421 has 24 divisors (see below), whose sum is σ = 5629806144. Its totient is φ = 3590196480.

The previous prime is 4543414363. The next prime is 4543414423. The reversal of 4543414421 is 1244143454.

It is not a de Polignac number, because 4543414421 - 2¹⁰ = 4543413397 is a prime.

It is a super-2 number, since 2×4543414421² = 41285229201901530482, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4543414423) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1153826 + ... + 1157756.

It is an arithmetic number, because the mean of its divisors is an integer number (234575256).

Almost surely, 2^4543414421 is an apocalyptic number.

It is an amenable number.

4543414421 is a deficient number, since it is larger than the sum of its proper divisors (1086391723).

4543414421 is a wasteful number, since it uses less digits than its factorization.

4543414421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4941 (or 4928 counting only the distinct ones).

The product of its digits is 30720, while the sum is 32.

The square root of 4543414421 is about 67404.8545803639. The cubic root of 4543414421 is about 1656.2559471845.

Adding to 4543414421 its reverse (1244143454), we get a palindrome (5787557875).

The spelling of 4543414421 in words is "four billion, five hundred forty-three million, four hundred fourteen thousand, four hundred twenty-one".