4054421421 has 24 divisors (see below), whose sum is σ = 5896856160. Its totient is φ = 2684311200.

The previous prime is 4054421411. The next prime is 4054421467. The reversal of 4054421421 is 1241244504.

4054421421 is a `hidden beast` number, since 405 + 44 + 214 + 2 + 1 = 666.

It is not a de Polignac number, because 4054421421 - 2¹³ = 4054413229 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4054421411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1901526 + ... + 1903656.

It is an arithmetic number, because the mean of its divisors is an integer number (245702340).

Almost surely, 2^4054421421 is an apocalyptic number.

It is an amenable number.

4054421421 is a deficient number, since it is larger than the sum of its proper divisors (1842434739).

4054421421 is a wasteful number, since it uses less digits than its factorization.

4054421421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3497 (or 3494 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 27.

The square root of 4054421421 is about 63674.3387951536. The cubic root of 4054421421 is about 1594.5676997203.

Adding to 4054421421 its reverse (1241244504), we get a palindrome (5295665925).

The spelling of 4054421421 in words is "four billion, fifty-four million, four hundred twenty-one thousand, four hundred twenty-one".