4124443381 has 2 divisors, whose sum is σ = 4124443382. Its totient is φ = 4124443380.

The previous prime is 4124443369. The next prime is 4124443403. The reversal of 4124443381 is 1833444214.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2191082481 + 1933360900 = 46809^2 + 43970^2 .

It is a cyclic number.

It is not a de Polignac number, because 4124443381 - 2²⁷ = 3990225653 is a prime.

It is a super-4 number, since 4×4124443381⁴ (a number of 40 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4124447381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2062221690 + 2062221691.

It is an arithmetic number, because the mean of its divisors is an integer number (2062221691).

Almost surely, 2^4124443381 is an apocalyptic number.

It is an amenable number.

4124443381 is a deficient number, since it is larger than the sum of its proper divisors (1).

4124443381 is an equidigital number, since it uses as much as digits as its factorization.

4124443381 is an evil number, because the sum of its binary digits is even.

The product of its digits is 36864, while the sum is 34.

The square root of 4124443381 is about 64221.8294740970. The cubic root of 4124443381 is about 1603.6950254075.

Adding to 4124443381 its reverse (1833444214), we get a palindrome (5957887595).

The spelling of 4124443381 in words is "four billion, one hundred twenty-four million, four hundred forty-three thousand, three hundred eighty-one".