1499943489 has 16 divisors (see below), whose sum is σ = 2218717440. Its totient is φ = 893647760.

The previous prime is 1499943479. The next prime is 1499943491. The reversal of 1499943489 is 9843499941.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1499943489 - 2⁸ = 1499943233 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1499943409) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 383247 + ... + 387140.

It is an arithmetic number, because the mean of its divisors is an integer number (138669840).

Almost surely, 2^1499943489 is an apocalyptic number.

It is an amenable number.

1499943489 is a deficient number, since it is larger than the sum of its proper divisors (718773951).

1499943489 is a wasteful number, since it uses less digits than its factorization.

1499943489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 770460.

The product of its digits is 10077696, while the sum is 60.

The square root of 1499943489 is about 38729.1039013298. The cubic root of 1499943489 is about 1144.6998670513.

The spelling of 1499943489 in words is "one billion, four hundred ninety-nine million, nine hundred forty-three thousand, four hundred eighty-nine".