1489972899 has 8 divisors (see below), whose sum is σ = 1996614400. Its totient is φ = 988323336.

The previous prime is 1489972879. The next prime is 1489972901. The reversal of 1489972899 is 9982799841.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1489972899 - 2²⁰ = 1488924323 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1489972849) 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 7 ways as a sum of consecutive naturals, for example, 1247287 + ... + 1248480.

It is an arithmetic number, because the mean of its divisors is an integer number (249576800).

Almost surely, 2^1489972899 is an apocalyptic number.

1489972899 is a deficient number, since it is larger than the sum of its proper divisors (506641501).

1489972899 is a wasteful number, since it uses less digits than its factorization.

1489972899 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2495969.

The product of its digits is 23514624, while the sum is 66.

The square root of 1489972899 is about 38600.1670851306. The cubic root of 1489972899 is about 1142.1578343543.

The spelling of 1489972899 in words is "one billion, four hundred eighty-nine million, nine hundred seventy-two thousand, eight hundred ninety-nine".