1489996015 has 4 divisors (see below), whose sum is σ = 1787995224. Its totient is φ = 1191996808.

The previous prime is 1489996009. The next prime is 1489996033. The reversal of 1489996015 is 5106999841.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 1489996015 - 2⁷ = 1489995887 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 148999597 + ... + 148999606.

It is an arithmetic number, because the mean of its divisors is an integer number (446998806).

Almost surely, 2^1489996015 is an apocalyptic number.

1489996015 is a deficient number, since it is larger than the sum of its proper divisors (297999209).

1489996015 is an equidigital number, since it uses as much as digits as its factorization.

1489996015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 297999208.

The product of its (nonzero) digits is 699840, while the sum is 52.

The square root of 1489996015 is about 38600.4665127249. The cubic root of 1489996015 is about 1142.1637409459.

The spelling of 1489996015 in words is "one billion, four hundred eighty-nine million, nine hundred ninety-six thousand, fifteen".