1441363691 has 2 divisors, whose sum is σ = 1441363692. Its totient is φ = 1441363690.

The previous prime is 1441363661. The next prime is 1441363709. The reversal of 1441363691 is 1963631441.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1441363691 - 2²² = 1437169387 is a prime.

It is not a weakly prime, because it can be changed into another prime (1441363661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 720681845 + 720681846.

It is an arithmetic number, because the mean of its divisors is an integer number (720681846).

Almost surely, 2^1441363691 is an apocalyptic number.

1441363691 is a deficient number, since it is larger than the sum of its proper divisors (1).

1441363691 is an equidigital number, since it uses as much as digits as its factorization.

1441363691 is an evil number, because the sum of its binary digits is even.

The product of its digits is 46656, while the sum is 38.

The square root of 1441363691 is about 37965.2958766292. The cubic root of 1441363691 is about 1129.5995895138.

The spelling of 1441363691 in words is "one billion, four hundred forty-one million, three hundred sixty-three thousand, six hundred ninety-one".