1489119409 has 4 divisors (see below), whose sum is σ = 1498604404. Its totient is φ = 1479634416.

The previous prime is 1489119407. The next prime is 1489119451. The reversal of 1489119409 is 9049119841.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 812079009 + 677040400 = 28497^2 + 26020^2 .

It is a cyclic number.

It is not a de Polignac number, because 1489119409 - 2¹ = 1489119407 is a prime.

It is a super-2 number, since 2×1489119409² = 4434953228521018562, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1489119407) 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, 4742262 + ... + 4742575.

It is an arithmetic number, because the mean of its divisors is an integer number (374651101).

Almost surely, 2^1489119409 is an apocalyptic number.

It is an amenable number.

1489119409 is a deficient number, since it is larger than the sum of its proper divisors (9484995).

1489119409 is an equidigital number, since it uses as much as digits as its factorization.

1489119409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9484994.

The product of its (nonzero) digits is 93312, while the sum is 46.

The square root of 1489119409 is about 38589.1099793711. The cubic root of 1489119409 is about 1141.9397081314.

The spelling of 1489119409 in words is "one billion, four hundred eighty-nine million, one hundred nineteen thousand, four hundred nine".