3782782441 has 2 divisors, whose sum is σ = 3782782442. Its totient is φ = 3782782440.

The previous prime is 3782782439. The next prime is 3782782453. The reversal of 3782782441 is 1442872873.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2398942441 + 1383840000 = 48979^2 + 37200^2 .

It is a cyclic number.

It is not a de Polignac number, because 3782782441 - 2¹ = 3782782439 is a prime.

Together with 3782782439, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 3782782391 and 3782782400.

It is not a weakly prime, because it can be changed into another prime (3782782411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1891391220 + 1891391221.

It is an arithmetic number, because the mean of its divisors is an integer number (1891391221).

Almost surely, 2^3782782441 is an apocalyptic number.

It is an amenable number.

3782782441 is a deficient number, since it is larger than the sum of its proper divisors (1).

3782782441 is an equidigital number, since it uses as much as digits as its factorization.

3782782441 is an evil number, because the sum of its binary digits is even.

The product of its digits is 602112, while the sum is 46.

The square root of 3782782441 is about 61504.3286362838. The cubic root of 3782782441 is about 1558.1303539665.

The spelling of 3782782441 in words is "three billion, seven hundred eighty-two million, seven hundred eighty-two thousand, four hundred forty-one".