999529440705 has 16 divisors (see below), whose sum is σ = 1776941228160. Its totient is φ = 533082368304.

The previous prime is 999529440683. The next prime is 999529440743. The reversal of 999529440705 is 507044925999.

999529440705 is a `hidden beast` number, since 9 + 99 + 52 + 94 + 407 + 0 + 5 = 666.

It is not a de Polignac number, because 999529440705 - 2¹¹ = 999529438657 is a prime.

It is a super-2 number, since 2×999529440705² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 3701960757 + ... + 3701961026.

It is an arithmetic number, because the mean of its divisors is an integer number (111058826760).

Almost surely, 2^999529440705 is an apocalyptic number.

It is an amenable number.

999529440705 is a deficient number, since it is larger than the sum of its proper divisors (777411787455).

999529440705 is a wasteful number, since it uses less digits than its factorization.

999529440705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7403921797 (or 7403921791 counting only the distinct ones).

The product of its (nonzero) digits is 36741600, while the sum is 63.

The spelling of 999529440705 in words is "nine hundred ninety-nine billion, five hundred twenty-nine million, four hundred forty thousand, seven hundred five".