1499735921664 has 44 divisors (see below), whose sum is σ = 3997343018144. Its totient is φ = 499911972864.

The previous prime is 1499735921647. The next prime is 1499735921741. The reversal of 1499735921664 is 4661295379941.

It is a junction number, because it is equal to n+sod(n) for n = 1499735921595 and 1499735921604.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 244094572 + ... + 244100715.

Almost surely, 2^{1499735921664} is an apocalyptic number.

It is an amenable number.

1499735921664 is an abundant number, since it is smaller than the sum of its proper divisors (2497607096480).

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

1499735921664 is an equidigital number, since it uses as much as digits as its factorization.

1499735921664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 488195310 (or 488195292 counting only the distinct ones).

The product of its digits is 88179840, while the sum is 66.

The spelling of 1499735921664 in words is "one trillion, four hundred ninety-nine billion, seven hundred thirty-five million, nine hundred twenty-one thousand, six hundred sixty-four".