4478858381 has 2 divisors, whose sum is σ = 4478858382. Its totient is φ = 4478858380.

The previous prime is 4478858317. The next prime is 4478858413. The reversal of 4478858381 is 1838588744.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4027933156 + 450925225 = 63466^2 + 21235^2 .

It is a cyclic number.

It is not a de Polignac number, because 4478858381 - 2⁶ = 4478858317 is a prime.

It is a super-2 number, since 2×4478858381² = 40120344794107882322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4478854381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2239429190 + 2239429191.

It is an arithmetic number, because the mean of its divisors is an integer number (2239429191).

Almost surely, 2^4478858381 is an apocalyptic number.

It is an amenable number.

4478858381 is a deficient number, since it is larger than the sum of its proper divisors (1).

4478858381 is an equidigital number, since it uses as much as digits as its factorization.

4478858381 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6881280, while the sum is 56.

The square root of 4478858381 is about 66924.2734813012. The cubic root of 4478858381 is about 1648.3740801227.

The spelling of 4478858381 in words is "four billion, four hundred seventy-eight million, eight hundred fifty-eight thousand, three hundred eighty-one".