1441136381 has 2 divisors, whose sum is σ = 1441136382. Its totient is φ = 1441136380.

The previous prime is 1441136351. The next prime is 1441136383. The reversal of 1441136381 is 1836311441.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1038772900 + 402363481 = 32230^2 + 20059^2 .

It is a cyclic number.

It is not a de Polignac number, because 1441136381 - 2⁶ = 1441136317 is a prime.

It is a super-2 number, since 2×1441136381² = 4153748137283554322, which contains 22 as substring.

Together with 1441136383, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1441136383) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 720568190 + 720568191.

It is an arithmetic number, because the mean of its divisors is an integer number (720568191).

Almost surely, 2^1441136381 is an apocalyptic number.

It is an amenable number.

1441136381 is a deficient number, since it is larger than the sum of its proper divisors (1).

1441136381 is an equidigital number, since it uses as much as digits as its factorization.

1441136381 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6912, while the sum is 32.

The square root of 1441136381 is about 37962.3021035342. The cubic root of 1441136381 is about 1129.5402052923.

The spelling of 1441136381 in words is "one billion, four hundred forty-one million, one hundred thirty-six thousand, three hundred eighty-one".