1489401523 has 2 divisors, whose sum is σ = 1489401524. Its totient is φ = 1489401522.

The previous prime is 1489401509. The next prime is 1489401533. The reversal of 1489401523 is 3251049841.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1489401523 - 2¹⁷ = 1489270451 is a prime.

It is not a weakly prime, because it can be changed into another prime (1489401533) 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, 744700761 + 744700762.

It is an arithmetic number, because the mean of its divisors is an integer number (744700762).

Almost surely, 2^1489401523 is an apocalyptic number.

1489401523 is a deficient number, since it is larger than the sum of its proper divisors (1).

1489401523 is an equidigital number, since it uses as much as digits as its factorization.

1489401523 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 34560, while the sum is 37.

The square root of 1489401523 is about 38592.7651639527. The cubic root of 1489401523 is about 1142.0118171543.

The spelling of 1489401523 in words is "one billion, four hundred eighty-nine million, four hundred one thousand, five hundred twenty-three".