4054461421 has 2 divisors, whose sum is σ = 4054461422. Its totient is φ = 4054461420.

The previous prime is 4054461419. The next prime is 4054461431. The reversal of 4054461421 is 1241644504.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3737977321 + 316484100 = 61139^2 + 17790^2 .

It is a cyclic number.

It is not a de Polignac number, because 4054461421 - 2¹ = 4054461419 is a prime.

Together with 4054461419, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4054461431) 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 as a sum of consecutive naturals, namely, 2027230710 + 2027230711.

It is an arithmetic number, because the mean of its divisors is an integer number (2027230711).

Almost surely, 2^4054461421 is an apocalyptic number.

It is an amenable number.

4054461421 is a deficient number, since it is larger than the sum of its proper divisors (1).

4054461421 is an equidigital number, since it uses as much as digits as its factorization.

4054461421 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15360, while the sum is 31.

The square root of 4054461421 is about 63674.6528926542. The cubic root of 4054461421 is about 1594.5729435839.

The spelling of 4054461421 in words is "four billion, fifty-four million, four hundred sixty-one thousand, four hundred twenty-one".