1405489559 has 2 divisors, whose sum is σ = 1405489560. Its totient is φ = 1405489558.

The previous prime is 1405489531. The next prime is 1405489573. The reversal of 1405489559 is 9559845041.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1405489559 - 2⁸ = 1405489303 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1405489159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 702744779 + 702744780.

It is an arithmetic number, because the mean of its divisors is an integer number (702744780).

Almost surely, 2^1405489559 is an apocalyptic number.

1405489559 is a deficient number, since it is larger than the sum of its proper divisors (1).

1405489559 is an equidigital number, since it uses as much as digits as its factorization.

1405489559 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296000, while the sum is 50.

The square root of 1405489559 is about 37489.8594155806. The cubic root of 1405489559 is about 1120.1492039214.

The spelling of 1405489559 in words is "one billion, four hundred five million, four hundred eighty-nine thousand, five hundred fifty-nine".