1499389319 has 4 divisors (see below), whose sum is σ = 1516236480. Its totient is φ = 1482542160.

The previous prime is 1499389301. The next prime is 1499389327. The reversal of 1499389319 is 9139839941.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9139839941 = 19603 ⋅466247.

It is a cyclic number.

It is not a de Polignac number, because 1499389319 - 2⁸ = 1499389063 is a prime.

It is a super-2 number, since 2×1499389319² = 4496336659862567522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1499389019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8423447 + ... + 8423624.

It is an arithmetic number, because the mean of its divisors is an integer number (379059120).

Almost surely, 2^1499389319 is an apocalyptic number.

1499389319 is a deficient number, since it is larger than the sum of its proper divisors (16847161).

1499389319 is an equidigital number, since it uses as much as digits as its factorization.

1499389319 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16847160.

The product of its digits is 1889568, while the sum is 56.

The square root of 1499389319 is about 38721.9488016809. The cubic root of 1499389319 is about 1144.5588758586.

The spelling of 1499389319 in words is "one billion, four hundred ninety-nine million, three hundred eighty-nine thousand, three hundred nineteen".