1489162109 has 4 divisors (see below), whose sum is σ = 1489886016. Its totient is φ = 1488438204.

The previous prime is 1489162043. The next prime is 1489162123. The reversal of 1489162109 is 9012619841.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 9012619841 = 6547 ⋅1376603.

It is a cyclic number.

It is not a de Polignac number, because 1489162109 - 2¹⁶ = 1489096573 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 (1489162009) 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, 358859 + ... + 362984.

It is an arithmetic number, because the mean of its divisors is an integer number (372471504).

Almost surely, 2^1489162109 is an apocalyptic number.

It is an amenable number.

1489162109 is a deficient number, since it is larger than the sum of its proper divisors (723907).

1489162109 is an equidigital number, since it uses as much as digits as its factorization.

1489162109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 723906.

The product of its (nonzero) digits is 31104, while the sum is 41.

The square root of 1489162109 is about 38589.6632403031. The cubic root of 1489162109 is about 1141.9506229399.

The spelling of 1489162109 in words is "one billion, four hundred eighty-nine million, one hundred sixty-two thousand, one hundred nine".