4478854381 has 2 divisors, whose sum is σ = 4478854382. Its totient is φ = 4478854380.

The previous prime is 4478854379. The next prime is 4478854399. The reversal of 4478854381 is 1834588744.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3969630025 + 509224356 = 63005^2 + 22566^2 .

It is a cyclic number.

It is not a de Polignac number, because 4478854381 - 2¹ = 4478854379 is a prime.

It is a super-2 number, since 2×4478854381² = 40120273132405786322, which contains 22 as substring.

Together with 4478854379, 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 (4478858381) 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, 2239427190 + 2239427191.

It is an arithmetic number, because the mean of its divisors is an integer number (2239427191).

Almost surely, 2^4478854381 is an apocalyptic number.

It is an amenable number.

4478854381 is a deficient number, since it is larger than the sum of its proper divisors (1).

4478854381 is an equidigital number, since it uses as much as digits as its factorization.

4478854381 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3440640, while the sum is 52.

The square root of 4478854381 is about 66924.2435967714. The cubic root of 4478854381 is about 1648.3735894099.

The spelling of 4478854381 in words is "four billion, four hundred seventy-eight million, eight hundred fifty-four thousand, three hundred eighty-one".