4441607381 has 2 divisors, whose sum is σ = 4441607382. Its totient is φ = 4441607380.

The previous prime is 4441607377. The next prime is 4441607393. The reversal of 4441607381 is 1837061444.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3426229156 + 1015378225 = 58534^2 + 31865^2 .

It is a cyclic number.

It is not a de Polignac number, because 4441607381 - 2² = 4441607377 is a prime.

It is a super-2 number, since 2×4441607381² = 39455752253907358322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4441607281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2220803690 + 2220803691.

It is an arithmetic number, because the mean of its divisors is an integer number (2220803691).

Almost surely, 2^4441607381 is an apocalyptic number.

It is an amenable number.

4441607381 is a deficient number, since it is larger than the sum of its proper divisors (1).

4441607381 is an equidigital number, since it uses as much as digits as its factorization.

4441607381 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 64512, while the sum is 38.

The square root of 4441607381 is about 66645.3852941072. The cubic root of 4441607381 is about 1643.7914684156.

The spelling of 4441607381 in words is "four billion, four hundred forty-one million, six hundred seven thousand, three hundred eighty-one".