1489413745 has 4 divisors (see below), whose sum is σ = 1787296500. Its totient is φ = 1191530992.

The previous prime is 1489413701. The next prime is 1489413749. The reversal of 1489413745 is 5473149841.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5473149841 = 50543 ⋅108287.

It can be written as a sum of positive squares in 2 ways, for example, as 1010985616 + 478428129 = 31796^2 + 21873^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1489413745 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1489413695 and 1489413704.

It is not an unprimeable number, because it can be changed into a prime (1489413749) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 148941370 + ... + 148941379.

It is an arithmetic number, because the mean of its divisors is an integer number (446824125).

Almost surely, 2^1489413745 is an apocalyptic number.

It is an amenable number.

1489413745 is a deficient number, since it is larger than the sum of its proper divisors (297882755).

1489413745 is an equidigital number, since it uses as much as digits as its factorization.

1489413745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 297882754.

The product of its digits is 483840, while the sum is 46.

The square root of 1489413745 is about 38592.9235093689. The cubic root of 1489413745 is about 1142.0149409213.

The spelling of 1489413745 in words is "one billion, four hundred eighty-nine million, four hundred thirteen thousand, seven hundred forty-five".