969851489 has 4 divisors (see below), whose sum is σ = 970029060. Its totient is φ = 969673920.

The previous prime is 969851473. The next prime is 969851497. The reversal of 969851489 is 984158969.

969851489 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 984158969 = 13327 ⋅73847.

It can be written as a sum of positive squares in 2 ways, for example, as 537544225 + 432307264 = 23185^2 + 20792^2 .

It is a cyclic number.

It is not a de Polignac number, because 969851489 - 2⁴ = 969851473 is a prime.

It is a super-2 number, since 2×969851489² = 1881223821431034242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (969851459) 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, 80324 + ... + 91605.

It is an arithmetic number, because the mean of its divisors is an integer number (242507265).

Almost surely, 2^969851489 is an apocalyptic number.

It is an amenable number.

969851489 is a deficient number, since it is larger than the sum of its proper divisors (177571).

969851489 is a wasteful number, since it uses less digits than its factorization.

969851489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177570.

The product of its digits is 5598720, while the sum is 59.

The square root of 969851489 is about 31142.4387131130. The cubic root of 969851489 is about 989.8477775001.

The spelling of 969851489 in words is "nine hundred sixty-nine million, eight hundred fifty-one thousand, four hundred eighty-nine".