1489613677 has 4 divisors (see below), whose sum is σ = 1489742620. Its totient is φ = 1489484736.

The previous prime is 1489613663. The next prime is 1489613711. The reversal of 1489613677 is 7763169841.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7763169841 = 7 ⋅1109024263.

It can be written as a sum of positive squares in 2 ways, for example, as 937645641 + 551968036 = 30621^2 + 23494^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1489613677 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1489613647) 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 in 3 ways as a sum of consecutive naturals, for example, 45228 + ... + 70885.

It is an arithmetic number, because the mean of its divisors is an integer number (372435655).

Almost surely, 2^1489613677 is an apocalyptic number.

It is an amenable number.

1489613677 is a deficient number, since it is larger than the sum of its proper divisors (128943).

1489613677 is a wasteful number, since it uses less digits than its factorization.

1489613677 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128942.

The product of its digits is 1524096, while the sum is 52.

The square root of 1489613677 is about 38595.5136900651. The cubic root of 1489613677 is about 1142.0660382331.

The spelling of 1489613677 in words is "one billion, four hundred eighty-nine million, six hundred thirteen thousand, six hundred seventy-seven".