1319589689 has 12 divisors (see below), whose sum is σ = 1451471280. Its totient is φ = 1189714560.

The previous prime is 1319589673. The next prime is 1319589703. The reversal of 1319589689 is 9869859131.

It is not a de Polignac number, because 1319589689 - 2⁴ = 1319589673 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1319589619) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1419977 + ... + 1420905.

It is an arithmetic number, because the mean of its divisors is an integer number (120955940).

Almost surely, 2^1319589689 is an apocalyptic number.

It is an amenable number.

1319589689 is a deficient number, since it is larger than the sum of its proper divisors (131881591).

1319589689 is an frugal number, since it uses more digits than its factorization.

1319589689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2008 (or 1079 counting only the distinct ones).

The product of its digits is 4199040, while the sum is 59.

The square root of 1319589689 is about 36326.1570909999. The cubic root of 1319589689 is about 1096.8476382804.

The spelling of 1319589689 in words is "one billion, three hundred nineteen million, five hundred eighty-nine thousand, six hundred eighty-nine".