1427758441 has 2 divisors, whose sum is σ = 1427758442. Its totient is φ = 1427758440.

The previous prime is 1427758417. The next prime is 1427758463. The reversal of 1427758441 is 1448577241.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1361905216 + 65853225 = 36904^2 + 8115^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1427758441 is a prime.

It is not a weakly prime, because it can be changed into another prime (1427752441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 713879220 + 713879221.

It is an arithmetic number, because the mean of its divisors is an integer number (713879221).

Almost surely, 2^1427758441 is an apocalyptic number.

It is an amenable number.

1427758441 is a deficient number, since it is larger than the sum of its proper divisors (1).

1427758441 is an equidigital number, since it uses as much as digits as its factorization.

1427758441 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 250880, while the sum is 43.

The square root of 1427758441 is about 37785.6909557044. The cubic root of 1427758441 is about 1126.0341939460.

The spelling of 1427758441 in words is "one billion, four hundred twenty-seven million, seven hundred fifty-eight thousand, four hundred forty-one".