1499439564 has 72 divisors (see below), whose sum is σ = 4391106720. Its totient is φ = 422537472.

The previous prime is 1499439547. The next prime is 1499439649. The reversal of 1499439564 is 4659349941.

It is a happy number.

1499439564 is a `hidden beast` number, since 1 + 49 + 9 + 4 + 39 + 564 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 1499439564.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 22359 + ... + 59150.

Almost surely, 2^1499439564 is an apocalyptic number.

1499439564 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1499439564 is an abundant number, since it is smaller than the sum of its proper divisors (2891667156).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1499439564 is a wasteful number, since it uses less digits than its factorization.

1499439564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81599 (or 81594 counting only the distinct ones).

The product of its digits is 4199040, while the sum is 54.

The square root of 1499439564 is about 38722.5975884883. The cubic root of 1499439564 is about 1144.5716605565.

The spelling of 1499439564 in words is "one billion, four hundred ninety-nine million, four hundred thirty-nine thousand, five hundred sixty-four".