1489381057 has 2 divisors, whose sum is σ = 1489381058. Its totient is φ = 1489381056.

The previous prime is 1489381021. The next prime is 1489381093. The reversal of 1489381057 is 7501839841.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (1489381021) and next prime (1489381093).

It can be written as a sum of positive squares in only one way, i.e., 803779201 + 685601856 = 28351^2 + 26184^2 .

It is a cyclic number.

It is not a de Polignac number, because 1489381057 - 2⁷ = 1489380929 is a prime.

It is the 38593-rd Hogben number.

It is a junction number, because it is equal to n+sod(n) for n = 1489380998 and 1489381016.

It is not a weakly prime, because it can be changed into another prime (1489381357) by changing a digit.

It is a nontrivial repunit in base 38592.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 744690528 + 744690529.

It is an arithmetic number, because the mean of its divisors is an integer number (744690529).

Almost surely, 2^1489381057 is an apocalyptic number.

It is an amenable number.

1489381057 is a deficient number, since it is larger than the sum of its proper divisors (1).

1489381057 is an equidigital number, since it uses as much as digits as its factorization.

1489381057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 241920, while the sum is 46.

The square root of 1489381057 is about 38592.5000097169. The cubic root of 1489381057 is about 1142.0065863014.

The spelling of 1489381057 in words is "one billion, four hundred eighty-nine million, three hundred eighty-one thousand, fifty-seven".